LogoLogo
SnowflakeDocumentation Home
  • Snowflake SnowConvert Documentation
  • General
    • About
    • Getting Started
      • System Requirements
      • Best practices
      • Download and Access
      • Code Extraction
        • Teradata
        • Oracle
        • SQL Server
        • Redshift
      • Running SnowConvert
        • Supported Languages
          • Teradata
          • Oracle
          • SQL Server
          • Redshift
          • Google BigQuery
          • Azure Synapse
          • Sybase IQ
          • PostgreSQL & Based Languages
        • Validation
          • Ambiguous Comments Validation
          • Extraction Validation
          • File Encoding Validation
          • File Extension Validation
          • File Format Validation
          • System Object Naming Validation
        • Assessment
          • Analyzing subfolders
        • Conversion
          • Converting subfolders
          • General Conversion Settings
          • Teradata Conversion Settings
          • Oracle Conversion Settings
          • Transact-SQL Conversion Settings
        • Review Results
          • SnowConvert Scopes
          • Output Code
          • Reports
            • Top-Level Code Units Report
            • Embedded Code Units Report
            • Assessment Report
              • Overall Conversion Summary
              • SQL Conversion Summary
              • Scripts Line Conversion Summary
              • Object Conversion Summary
              • File and Object Level Breakdown - SQL Files
              • File and Object Level Breakdown - SQL Identified Objects
              • Scripts - Files
              • Scripts - Identified Objects
              • Schemas
              • Databases & Schemas
              • Code Completeness Score
            • Issues Report
            • Missing Objects Report
            • Object References Report
            • Elements Report
            • Renaming Report
      • Training and Support
    • Conversion Software Terms of Use
      • Open Source Libraries
    • Release Notes
      • Recent Release Notes
      • Previous Release Notes By Platform
        • Teradata
          • Release Notes
            • 2024
            • 2023
            • 2022
            • 2021
            • 2020
            • Roadmap
        • Oracle
          • Release Notes
            • 2023
            • 2022
            • 2021
            • 2020
            • Roadmap
        • SQL Server
          • Release Notes
            • 2023
            • 2022
            • 2021
    • User Guide
      • SnowConvert
        • How to install the tool
          • Linux
          • Windows
          • MacOS
        • How to update the tool
        • How to get an access code
          • How to Retrieve Your UUID for SnowConvert Offline Activation in Linux
        • What is a SnowConvert Project?
        • How to use the SnowConvert CLI
        • Command Line Interface
          • Teradata
          • Oracle
          • Transact-SQL
          • Redshift
          • Renaming feature
      • SnowConvert for Redshift (Preview)
        • How to install the tool
          • Windows
          • MacOS
        • How to update the tool
        • How to inquire about an access code
        • What is a SnowConvert for Redshift project?
          • Project creation
          • Extraction
          • Conversion
          • Deployment
          • Data Migration
    • Technical Documentation
      • Understanding Converted Code
        • EWIs
          • General
            • SSC-EWI-0001
            • SSC-EWI-0002
            • SSC-EWI-0003
            • SSC-EWI-0004
            • SSC-EWI-0005
            • SSC-EWI-0006
            • SSC-EWI-0007
            • SSC-EWI-0008
            • SSC-EWI-0009
            • SSC-EWI-0010
            • SSC-EWI-0011
            • SSC-EWI-0012
            • SSC-EWI-0013
            • SSC-EWI-0014
            • SSC-EWI-0015
            • SSC-EWI-0020
            • SSC-EWI-0021
            • SSC-EWI-0022
            • SSC-EWI-0023
            • SSC-EWI-0025
            • SSC-EWI-0026
            • SSC-EWI-0027
            • SSC-EWI-0028
            • SSC-EWI-0030
            • SSC-EWI-0031
            • SSC-EWI-0033
            • SSC-EWI-0034
            • SSC-EWI-0035
            • SSC-EWI-0036
            • SSC-EWI-0040
            • SSC-EWI-0041
            • SSC-EWI-0045
            • SSC-EWI-0046
            • SSC-EWI-0049
            • SSC-EWI-0052
            • SSC-EWI-0053
            • SSC-EWI-0054
            • SSC-EWI-0056
            • SSC-EWI-0058
            • SSC-EWI-0062
            • SSC-EWI-0064
            • SSC-EWI-0066
            • SSC-EWI-0067
            • SSC-EWI-0068
            • SSC-EWI-0073
            • SSC-EWI-0077
            • SSC-EWI-0080
            • SSC-EWI-0084
            • SSC-EWI-0086
            • SSC-EWI-0092
            • SSC-EWI-0094
            • SSC-EWI-0101
            • SSC-EWI-0102
            • SSC-EWI-0107
            • SSC-EWI-0108
            • SSC-EWI-0109
            • SSC-EWI-0110
          • Teradata
            • SSC-EWI-TD0001
            • SSC-EWI-TD0002
            • SSC-EWI-TD0003
            • SSC-EWI-TD0004
            • SSC-EWI-TD0005
            • SSC-EWI-TD0006
            • SSC-EWI-TD0008
            • SSC-EWI-TD0009
            • SSC-EWI-TD0010
            • SSC-EWI-TD0012
            • SSC-EWI-TD0017
            • SSC-EWI-TD0020
            • SSC-EWI-TD0023
            • SSC-EWI-TD0024
            • SSC-EWI-TD0025
            • SSC-EWI-TD0027
            • SSC-EWI-TD0029
            • SSC-EWI-TD0031
            • SSC-EWI-TD0034
            • SSC-EWI-TD0039
            • SSC-EWI-TD0040
            • SSC-EWI-TD0041
            • SSC-EWI-TD0046
            • SSC-EWI-TD0049
            • SSC-EWI-TD0051
            • SSC-EWI-TD0052
            • SSC-EWI-TD0053
            • SSC-EWI-TD0055
            • SSC-EWI-TD0057
            • SSC-EWI-TD0059
            • SSC-EWI-TD0060
            • SSC-EWI-TD0061
            • SSC-EWI-TD0063
            • SSC-EWI-TD0066
            • SSC-EWI-TD0068
            • SSC-EWI-TD0069
            • SSC-EWI-TD0070
            • SSC-EWI-TD0076
            • SSC-EWI-TD0077
            • SSC-EWI-TD0079
            • SSC-EWI-TD0082
            • SSC-EWI-TD0083
            • SSC-EWI-TD0087
            • SSC-EWI-TD0091
          • Oracle
            • SSC-EWI-OR0001
            • SSC-EWI-OR0002
            • SSC-EWI-OR0004
            • SSC-EWI-OR0005
            • SSC-EWI-OR0006
            • SSC-EWI-OR0007
            • SSC-EWI-OR0008
            • SSC-EWI-OR0009
            • SSC-EWI-OR0010
            • SSC-EWI-OR0011
            • SSC-EWI-OR0013
            • SSC-EWI-OR0014
            • SSC-EWI-OR0016
            • SSC-EWI-OR0020
            • SSC-EWI-OR0023
            • SSC-EWI-OR0026
            • SSC-EWI-OR0029
            • SSC-EWI-OR0030
            • SSC-EWI-OR0031
            • SSC-EWI-OR0032
            • SSC-EWI-OR0033
            • SSC-EWI-OR0035
            • SSC-EWI-OR0036
            • SSC-EWI-OR0038
            • SSC-EWI-OR0039
            • SSC-EWI-OR0042
            • SSC-EWI-OR0045
            • SSC-EWI-OR0046
            • SSC-EWI-OR0047
            • SSC-EWI-OR0049
            • SSC-EWI-OR0050
            • SSC-EWI-OR0051
            • SSC-EWI-OR0052
            • SSC-EWI-OR0053
            • SSC-EWI-OR0057
            • SSC-EWI-OR0067
            • SSC-EWI-OR0068
            • SSC-EWI-OR0069
            • SSC-EWI-OR0070
            • SSC-EWI-OR0071
            • SSC-EWI-OR0072
            • SSC-EWI-OR0075
            • SSC-EWI-OR0076
            • SSC-EWI-OR0078
            • SSC-EWI-OR0082
            • SSC-EWI-OR0087
            • SSC-EWI-OR0089
            • SSC-EWI-OR0090
            • SSC-EWI-OR0092
            • SSC-EWI-OR0095
            • SSC-EWI-OR0097
            • SSC-EWI-OR0099
            • SSC-EWI-OR0100
            • SSC-EWI-OR0101
            • SSC-EWI-OR0103
            • SSC-EWI-OR0104
            • SSC-EWI-OR0105
            • SSC-EWI-OR0108
            • SSC-EWI-OR0109
            • SSC-EWI-OR0110
            • SSC-EWI-OR0116
            • SSC-EWI-OR0118
            • SSC-EWI-OR0121
            • SSC-EWI-OR0123
            • SSC-EWI-OR0126
            • SSC-EWI-OR0128
            • SSC-EWI-OR0129
            • SSC-EWI-OR0133
            • SSC-EWI-OR0135
            • SSC-EWI-OR0136
          • Transact-SQL
            • SSC-EWI-TS0001
            • SSC-EWI-TS0009
            • SSC-EWI-TS0010
            • SSC-EWI-TS0013
            • SSC-EWI-TS0016
            • SSC-EWI-TS0017
            • SSC-EWI-TS0023
            • SSC-EWI-TS0024
            • SSC-EWI-TS0025
            • SSC-EWI-TS0026
            • SSC-EWI-TS0032
            • SSC-EWI-TS0034
            • SSC-EWI-TS0035
            • SSC-EWI-TS0036
            • SSC-EWI-TS0037
            • SSC-EWI-TS0039
            • SSC-EWI-TS0041
            • SSC-EWI-TS0043
            • SSC-EWI-TS0044
            • SSC-EWI-TS0045
            • SSC-EWI-TS0046
            • SSC-EWI-TS0047
            • SSC-EWI-TS0049
            • SSC-EWI-TS0055
            • SSC-EWI-TS0056
            • SSC-EWI-TS0057
            • SSC-EWI-TS0060
            • SSC-EWI-TS0061
            • SSC-EWI-TS0063
            • SSC-EWI-TS0067
            • SSC-EWI-TS0070
            • SSC-EWI-TS0072
            • SSC-EWI-TS0073
            • SSC-EWI-TS0074
            • SSC-EWI-TS0075
            • SSC-EWI-TS0076
            • SSC-EWI-TS0077
            • SSC-EWI-TS0078
            • SSC-EWI-TS0079
            • SSC-EWI-TS0080
            • SSC-EWI-TS0081
          • PostgreSQL
            • SSC-EWI-PG0001
            • SSC-EWI-PG0002
            • SSC-EWI-PG0003
            • SSC-EWI-PG0004
            • SSC-EWI-PG0006
            • SSC-EWI-PG0008
            • SSC-EWI-PG0007
            • SSC-EWI-PG0009
            • SSC-EWI-PG0010
            • SSC-EWI-PG0011
            • SSC-EWI-PG0012
            • SSC-EWI-PG0014
            • SSC-EWI-PG0015
            • SSC-EWI-PG0016
          • Redshift
            • SSC-EWI-RS0002
            • SSC-EWI-RS0003
            • SSC-EWI-RS0004
            • SSC-EWI-RS0005
            • SSC-EWI-RS0006
            • SSC-EWI-RS0007
            • SSC-EWI-RS0008
            • SSC-EWI-RS0009
          • Sybase
            • SSC-EWI-SY0001
            • SSC-EWI-SY0002
            • SSC-EWI-SY0003
            • SSC-EWI-SY0004
            • SSC-EWI-SY0005
            • SSC-EWI-SY0006
            • SSC-EWI-SY0007
            • SSC-EWI-SY0008
            • SSC-EWI-SY0009
          • BigQuery
            • SSC-EWI-BQ0001
            • SSC-EWI-BQ0002
            • SSC-EWI-BQ0003
            • SSC-EWI-BQ0004
            • SSC-EWI-BQ0005
            • SSC-EWI-BQ0006
            • SSC-EWI-BQ0007
            • SSC-EWI-BQ0008
            • SSC-EWI-BQ0009
            • SSC-EWI-BQ0011
            • SSC-EWI-BQ0012
            • SSC-EWI-BQ0013
            • SSC-EWI-BQ0014
            • SSC-EWI-BQ0015
          • Greenplum
        • Functional Difference Messages
          • General
            • SSC-FDM-0001
            • SSC-FDM-0002
            • SSC-FDM-0003
            • SSC-FDM-0004
            • SSC-FDM-0005
            • SSC-FDM-0006
            • SSC-FDM-0007
            • SSC-FDM-0008
            • SSC-FDM-0009
            • SSC-FDM-0010
            • SSC-FDM-0011
            • SSC-FDM-0012
            • SSC-FDM-0013
            • SSC-FDM-0014
            • SSC-FDM-0015
            • SSC-FDM-0016
            • SSC-FDM-0017
            • SSC-FDM-0018
            • SSC-FDM-0019
            • SSC-FDM-0020
            • SSC-FDM-0021
            • SSC-FDM-0022
            • SSC-FDM-0023
            • SSC-FDM-0024
            • SSC-FDM-0026
            • SSC-FDM-0027
            • SSC-FDM-0028
            • SSC-FDM-0029
            • SSC-FDM-0030
            • SSC-FDM-0031
            • SSC-FDM-0032
            • SSC-FDM-0033
          • Teradata
            • SSC-FDM-TD0001
            • SSC-FDM-TD0002
            • SSC-FDM-TD0003
            • SSC-FDM-TD0004
            • SSC-FDM-TD0005
            • SSC-FDM-TD0006
            • SSC-FDM-TD0007
            • SSC-FDM-TD0008
            • SSC-FDM-TD0009
            • SSC-FDM-TD0010
            • SSC-FDM-TD0011
            • SSC-FDM-TD0012
            • SSC-FDM-TD0013
            • SSC-FDM-TD0014
            • SSC-FDM-TD0015
            • SSC-FDM-TD0016
            • SSC-FDM-TD0017
            • SSC-FDM-TD0018
            • SSC-FDM-TD0019
            • SSC-FDM-TD0020
            • SSC-FDM-TD0021
            • SSC-FDM-TD0022
            • SSC-FDM-TD0023
            • SSC-FDM-TD0024
            • SSC-FDM-TD0025
            • SSC-FDM-TD0026
            • SSC-FDM-TD0027
            • SSC-FDM-TD0028
            • SSC-FDM-TD0029
            • SSC-FDM-TD0030
            • SSC-FDM-TD0031
            • SSC-FDM-TD0032
            • SSC-FDM-TD0033
          • Oracle
            • SSC-FDM-OR0001
            • SSC-FDM-OR0002
            • SSC-FDM-OR0003
            • SSC-FDM-OR0004
            • SSC-FDM-OR0005
            • SSC-FDM-OR0006
            • SSC-FDM-OR0007
            • SSC-FDM-OR0008
            • SSC-FDM-OR0009
            • SSC-FDM-OR0010
            • SSC-FDM-OR0011
            • SSC-FDM-OR0012
            • SSC-FDM-OR0013
            • SSC-FDM-OR0014
            • SSC-FDM-OR0015
            • SSC-FDM-OR0016
            • SSC-FDM-OR0017
            • SSC-FDM-OR0018
            • SSC-FDM-OR0019
            • SSC-FDM-OR0020
            • SSC-FDM-OR0021
            • SSC-FDM-OR0022
            • SSC-FDM-OR0023
            • SSC-FDM-OR0024
            • SSC-FDM-OR0025
            • SSC-FDM-OR0026
            • SSC-FDM-OR0027
            • SSC-FDM-OR0028
            • SSC-FDM-OR0029
            • SSC-FDM-OR0030
            • SSC-FDM-OR0031
            • SSC-FDM-OR0032
            • SSC-FDM-OR0033
            • SSC-FDM-OR0034
            • SSC-FDM-OR0035
            • SSC-FDM-OR0036
            • SSC-FDM-OR0037
            • SSC-FDM-OR0038
            • SSC-FDM-OR0039
            • SSC-FDM-OR0040
            • SSC-FDM-OR0041
            • SSC-FDM-OR0042
            • SSC-FDM-OR0043
            • SSC-FDM-OR0044
            • SSC-FDM-OR0045
            • SSC-FDM-OR0046
            • SSC-FDM-OR0047
            • SSC-FDM-OR0049
          • Transact-SQL
            • SSC-FDM-TS0001
            • SSC-FDM-TS0002
            • SSC-FDM-TS0003
            • SSC-FDM-TS0004
            • SSC-FDM-TS0005
            • SSC-FDM-TS0006
            • SSC-FDM-TS0007
            • SSC-FDM-TS0008
            • SSC-FDM-TS0009
            • SSC-FDM-TS0010
            • SSC-FDM-TS0011
            • SSC-FDM-TS0012
            • SSC-FDM-TS0013
            • SSC-FDM-TS0014
            • SSC-FDM-TS0015
            • SSC-FDM-TS0016
            • SSC-FDM-TS0017
            • SSC-FDM-TS0018
            • SSC-FDM-TS0019
            • SSC-FDM-TS0020
            • SSC-FDM-TS0021
            • SSC-FDM-TS0022
            • SSC-FDM-TS0023
            • SSC-FDM-TS0024
            • SSC-FDM-TS0025
            • SSC-FDM-TS0026
            • SSC-FDM-TS0027
            • SSC-FDM-TS0028
          • PostgreSQL
            • SSC-FDM-PG0001
            • SSC-FDM-PG0002
            • SSC-FDM-PG0003
            • SSC-FDM-PG0004
            • SSC-FDM-PG0005
            • SSC-FDM-PG0006
            • SSC-FDM-PG0007
            • SSC-FDM-PG0008
            • SSC-FDM-PG0009
            • SSC-FDM-PG0010
            • SSC-FDM-PG0011
            • SSC-FDM-PG0012
            • SSC-FDM-PG0013
            • SSC-FDM-PG0014
          • Redshift
            • SSC-FDM-RS0001
            • SSC-FDM-RS0002
            • SSC-FDM-RS0003
            • SSC-FDM-RS0004
            • SSC-FDM-RS0005
            • SSC-FDM-RS0006
            • SSC-FDM-RS0007
            • SSC-FDM-RS0008
          • Sybase
            • SSC-FDM-SY0001
            • SSC-FDM-SY0002
          • BigQuery
            • SSC-FDM-BQ0001
            • SSC-FDM-BQ0002
            • SSC-FDM-BQ0003
            • SSC-FDM-BQ0004
            • SSC-FDM-BQ0005
            • SSC-FDM-BQ0006
            • SSC-FDM-BQ0007
            • SSC-FDM-BQ0008
            • SSC-FDM-BQ0009
            • SSC-FDM-BQ0010
          • Greenplum
            • SSC-FDM-GP0001
        • Performance Review Messages
          • General
            • SSC-PRF-0001
            • SSC-PRF-0002
            • SSC-PRF-0003
            • SSC-PRF-0004
            • SSC-PRF-0005
            • SSC-PRF-0006
            • SSC-PRF-0007
          • Teradata
          • Oracle
          • Transact-SQL
            • SSC-PRF-TS0001
        • Out-of-Scope
          • SSC-OOS-0001
      • Function References
        • SnowConvert UDFs
        • Oracle
          • BFILENAME_UDF
          • CAST_DATE_UDF
          • CLOSE_BULK_CURSOR_UDF
          • DATE_TO_JULIAN_DAYS_UDF
          • DATE_TO_RR_FORMAT_UDF
          • DATEADD_UDF (DATE, FLOAT)
          • DATEADD_UDF (FLOAT, DATE)
          • DATEADD_UDF (TIMESTAMP, FLOAT)
          • DATEADD_UDF (FLOAT, TIMESTAMP)
          • DATEDIFF_UDF(DATE, DATE)
          • DATEDIFF_UDF(DATE, TIMESTAMP)
          • DATEDIFF_UDF(DATE, INTEGER)
          • DATEDIFF_UDF(TIMESTAMP, TIMESTAMP)
          • DATEDIFF_UDF(TIMESTAMP, DATE)
          • DATEDIFF_UDF(TIMESTAMP, NUMBER)
          • DBMS_OUTPUT.PUT_LINE_UDF
          • DBMS_RANDOM.VALUE_UDF
          • DBMS_RANDOM.VALUE_UDF (DOUBLE, DOUBLE)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT, FLOAT, ARRAY)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT, INTEGER)
          • FETCH_BULK_COLLECTION_RECORDS_UDF (OBJECT, ARRAY)
          • FETCH_BULK_COLLECTIONS_UDF (OBJECT, FLOAT)
          • FETCH_BULK_COLLECTIONS_UDF (OBJECT)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT, FLOAT, ARRAY)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT, INTEGER)
          • FETCH_BULK_RECORD_COLLECTIONS_UDF (OBJECT, ARRAY)
          • INIT_CURSOR_UDF
          • JSON_VALUE_UDF
          • JULIAN_TO_GREGORIAN_DATE_UDF
          • OPEN_BULK_CURSOR_UDF (OBJECT, ARRAY)
          • OPEN_BULK_CURSOR_UDF (OBJECT)
          • REGEXP_LIKE_UDF (STRING, STRING, STRING)
          • REGEXP_LIKE_UDF (STRING, STRING)
          • TIMESTAMP_DIFF_UDF
          • UPDATE_PACKAGE_VARIABLE_STATE_UDF
          • UTL_FILE.FCLOSE_UDF
          • UTL_FILE.FOPEN_UDF (VARCHAR,VARCHAR)
          • UTL_FILE.FOPEN_UDF (VARCHAR, VARCHAR, VARCHAR)
          • UTL_FILE.PUT_LINE_UDF
        • Shared
          • DATEADD_UDF (DATE, STRING)
          • DATEADD_UDF (TIMESTAMP, STRING)
          • DATEADD_UDF (STRING, DATE)
          • DATEADD_UDF (STRING, TIMESTAMP)
          • DATEDIFF_UDF (DATE, STRING)
          • DATEDIFF_UDF (TIMESTAMP, STRING)
          • DATEDIFF_UDF (STRING, DATE)
          • DATEDIFF_UDF (STRING, TIMESTAMP)
          • INTERVAL_ADD_UDF (VARCHAR, VARCHAR, VARCHAR, VARCHAR, CHAR, VARCHAR)
          • INTERVAL_MULTIPLY_UDF (VARCHAR, VARCHAR, INTEGER)
          • INTERVAL_TO_MONTHS_UDF (VARCHAR)
          • INTERVAL_TO_SECONDS_UDF (VARCHAR, VARCHAR)
          • MONTHS_TO_INTERVAL_UDF (VARCHAR, NUMBER)
          • SECONDS_TO_INTERVAL_UDF (VARCHAR, NUMBER)
          • TO_INTERVAL_UDF (TIME)
          • TRUNC_UDF (TIMESTAMP_LTZ, VARCHAR)
          • TRUNC_UDF (NUMBER, NUMBER)
          • TRUNC_UDF (NUMBER)
          • TRUNC_UDF (TIMESTAMP_LTZ)
        • Transact-SQL
          • CAST_NUMERIC_TO_TIMESTAMP_TZ_UDF (NUMBER)
          • CAST_TIME_TO_TIMESTAMP_TZ_UDF (TIME)
          • CAST_TIMESTAMP_TZ_TO_NUMERIC_UDF (TIMESTAMP_TZ)
          • CONSTRAINT_OBJECT_ID_UDF (VARCHAR)
          • DB_ID_UDF(STRING)
          • ERROR_LINE_UDF
          • ERROR_NUMBER_UDF
          • ERROR_PROCEDURE_UDF
          • ERROR_SEVERITY_UDF
          • ERROR_STATE_UDF
          • FORMATMESSAGE_UDF
          • FUNCTION_OBJECT_ID_UDF (VARCHAR)
          • GET_CURRENT_TIMEZONE_UDF
          • IDENTITY_UDF
          • IS_MEMBER_UDF
          • ISDATE_UDF
          • ISNUMERIC_UDF
          • OBJECT_ID_UDF (VARCHAR)
          • OFFSET_FORMATTER (VARCHAR)
          • OPENXML_UDF
          • PARSENAME_UDF
          • PATINDEX_UDF
          • PROCEDURE_OBJECT_ID_UDF (VARCHAR)
          • QUOTENAME_UDF (VARCHAR, VARCHAR)
          • QUOTENAME_UDF (VARCHAR)
          • RAISERROR_UDF (DOUBLE, DOUBLE, DOUBLE, ARRAY)
          • RAISERROR_UDF (VARCHAR, DOUBLE, DOUBLE, ARRAY)
          • ROUND_MILLISECONDS_UDF (TIMESTAMP_TZ)
          • SEQUENCE_OBJECT_ID_UDF (VARCHAR)
          • STR_UDF (FLOAT, VARCHAR)
          • STR_UDF(FLOAT)
          • SUBTRACT_TIMESTAMP_TZ_UDF (TIMESTAMP_TZ, TIMESTAMP_TZ)
          • SUM_TIMESTAMP_TZ_UDF (TIMESTAMP_TZ, TIMESTAMP_TZ)
          • SWITCHOFFSET_UDF (TIMESTAMP_TZ, VARCHAR)
          • TABLE_OBJECT_ID_UDF (VARCHAR)
          • TRANSFORM_SP_EXECUTE_SQL_STRING_UDF(STRING, STRING, ARRAY, ARRAY)
          • FOR_XML_UDF (OBJECT, VARCHAR)
          • FOR_XML_UDF (OBJECT, VARCHAR, VARCHAR)
          • UPDATE_ERROR_VARS_UDF (STRING, STRING, STRING, STRING, STRING, STRING)
          • UPDATE_ERROR_VARS_UDF (STRING, STRING, STRING)
          • VIEW_OBJECT_ID_UDF (VARCHAR)
          • XML_JSON_SIMPLE
        • Teradata
          • CENTURY_UDF
          • CHAR2HEXINT_UDF
          • CHKNUM_UDF
          • COMPUTE_EXPAND_ON_UDF
          • DATE_LONG_UDF
          • DATE_TO_INT_UDF
          • DATEADD_UDF
          • DAY_OF_WEEK_LONG_UDF
          • DAYNAME_LONG_UDF (TIMESTAMP_TZ)
          • DAYNAME_LONG_UDF (TIMESTAMP_TZ, VARCHAR)
          • DAYNUMBER_OF_MONTH_UDF
          • DAYNUMBER_OF_YEAR_UDF
          • DIFF_TIME_PERIOD_UDF
          • EXPAND_ON_UDF
          • EXTRACT_TIMESTAMP_DIFFERENCE_UDF
          • FIRST_DAY_JANUARY_OF_ISO_UDF
          • FIRST_DAY_OF_MONTH_ISO_UDF
          • FULL_MONTH_NAME_UDF
          • GETQUERYBANDVALUE_UDF (VARCHAR, FLOAT, VARCHAR)
          • GETQUERYBANDVALUE_UDF (VARCHAR)
          • INSERT_CURRENCY_UDF
          • INSTR_UDF (STRING, STRING)
          • INSTR_UDF (STRING, STRING, INT)
          • INSTR_UDF (STRING, STRING, DOUBLE, DOUBLE)
          • INT_TO_DATE_UDF
          • INTERVAL_ADD_UDF
          • INTERVAL_MULTIPLY_UDF
          • INTERVAL_DIVIDE_UDF
          • INTERVAL_TO_MONTHS_UDF
          • INTERVAL_TO_SECONDS_UDF
          • ISO_YEAR_PART_UDF
          • JAROWINKLER_UDF
          • JSON_EXTRACT_DOT_NOTATION_UDF
          • JSON_EXTRACT_UDF
          • JULIAN_DAY_UDF
          • JULIAN_TO_DATE_UDF
          • LAST_DAY_DECEMBER_OF_ISO_UDF
          • MONTH_NAME_LONG_UDF
          • MONTH_SHORT_UDF
          • MONTHS_BETWEEN_UDF
          • NULLIFZERO_UDF
          • NVP_UDF
          • PERIOD_UDF
          • PERIOD_INTERSECT_UDF
          • PERIOD_OVERLAPS_UDF
          • PERIOD_TO_TIME_UDF
          • QUARTERNUMBER_OF_YEAR_UDF
          • ROMAN_NUMERALS_MONTH_UDF
          • ROUND_DATE_UDF
          • ROW_COUNT_UDF
          • SECONDS_PAST_MIDNIGHT_UDF
          • SUBSTR_UDF (STRING, FLOAT, FLOAT)
          • SUBSTR_UDF (STRING, FLOAT)
          • TD_DAY_OF_CALENDAR_UDF
          • TD_DAY_OF_WEEK_COMPATIBLE_UDF
          • TD_DAY_OF_WEEK_UDF
          • TD_MONTH_OF_CALENDAR_UDF
          • TD_WEEK_OF_CALENDAR_UDF
          • TD_WEEK_OF_YEAR_UDF
          • TD_YEAR_BEGIN_UDF
          • TD_YEAR_END_UDF
          • TIME_DIFFERENCE_UDF
          • TIMESTAMP_ADD_UDF
          • TIMESTAMP_DIFFERENCE_UDF
          • TO_BYTES_HEX_UDF
          • TRANSLATE_CHK_UDF
          • WEEK_NUMBER_OF_QUARTER_ISO_UDF
          • WEEK_NUMBER_OF_QUARTER_COMPATIBLE_UDF
          • WEEK_NUMBER_OF_QUARTER_UDF
          • WEEK_OF_MONTH_UDF
          • WEEKNUMBER_OF_MONTH_UDF
          • WRAP_NEGATIVE_WITH_ANGLE_BRACKETS_UDF
          • YEAR_BEGIN_ISO_UDF
          • YEAR_END_ISO_UDF
          • YEAR_PART_UDF
          • YEAR_WITH_COMMA_UDF
      • Considerations
        • Teradata
    • Contact Us
    • Others
      • How to Use SnowConvert with Docker
    • Frequently Asked Questions (FAQ)
  • 📘Translation References
    • General
      • Subqueries
    • Teradata
      • Data Migration Considerations
        • UNION ALL Data Migration
      • Session Modes in Teradata
        • TERA Mode For Strings Comparison - NO COLLATE
        • TERA Mode For Strings Comparison - COLLATE
        • ANSI Mode For Strings Comparison - NO COLLATE
        • ANSI Mode For Strings Comparison - COLLATE
      • SQL Translation Reference
        • Data Types
        • DDL
          • Tables
            • WITH DEFAULT
          • Index
          • Views
          • Join Index
          • Schema
        • DML
          • Delete Statement
          • Insert Statement
            • LOGGING ERRORS
          • Select Statement
            • ANY Predicate
            • Expand On Clause
            • Normalize
            • Reset When
            • SAMPLE clause
          • Set Operators
          • Update Statement
          • With Modifier
        • Database DBC
        • Built-in Functions
          • CAST
            • Cast to INTERVAL datatype
            • Cast to DATE using { }
            • Cast from Number Datatypes to Varchar Datatype
          • CURRENT_TIMESTAMP
          • COALESCE
          • DAYNUMBER_OF_MONTH
          • FROM_BYTES
          • GETQUERYBANDVALUE
          • JSON_CHECK
          • JSON_EXTRACT
          • JSON_TABLE
          • NEW JSON
          • NVP
          • OVERLAPS
          • PIVOT
          • P_INTERSECT
          • RANK
          • Regex functions
          • STRTOK_SPLIT_TO_TABLE
          • SUBSTRING
          • TD_UNPIVOT
          • TO_CHAR
          • XMLAGG
      • SQL to Snowflake Scripting (Procedures)
        • CREATE PROCEDURE
        • CREATE MACRO
        • ACTIVITY_COUNT
        • ABORT and ROLLBACK
        • BEGIN END
        • CASE
        • CURSOR
        • DECLARE
        • DECLARE CONDITION HANDLER
        • DECLARE CONTINUE HANDLER
        • DML and DDL Objects
        • EXCEPTION HANDLERS
        • EXECUTE IMMEDIATE
        • EXECUTE/EXEC
        • FUNCTION OPTIONS OR DATA ACCESS
        • GET DIAGNOSTICS EXCEPTION
        • IF
        • LOCKING FOR ACCESS
        • LOOP
        • OUTPUT PARAMETERS
        • PREPARE
        • REPEAT
        • SET
        • SYSTEM_DEFINED
        • WHILE
      • SQL to JavaScript (Procedures)
        • Procedures
        • Macros
        • SnowConvert Procedures Helpers
          • Cursor Helper
          • Exec Helper
          • Functional Equivalence Helpers
          • Into Helper
        • GET DIAGNOSTICS EXCEPTION
      • Scripts to Snowflake SQL Translation Reference
        • COMMON STATEMENTS
          • ERROR HANDLING
          • EXIT or QUIT
          • GOTO
          • IF... THEN...
        • BTEQ
        • MLOAD
          • Import
      • Scripts To Python Translation Reference
        • BTEQ
          • REPEAT
          • USING REQUEST MODIFIER
        • FLOAD
          • BEGIN LOADING
        • MLOAD
          • BEGIN MLOAD
        • TPT
        • SnowConvert Scripts Helpers
          • Technical Documentation
    • Oracle
      • Sample data
      • Basic Elements of Oracle SQL
        • Data Types
          • Oracle Built-in Data Types
            • Character Data Types
              • CHAR Data type
              • NCHAR Data Type
              • VARCHAR2 Data Type
              • VARCHAR Data Type
              • NVARCHAR2 Data Type
            • Numeric Data Types
              • NUMBER Data Type
              • FLOAT Data Type
              • Floating-Point Numbers
                • BINARY_FLOAT
                • BINARY_DOUBLE
            • LONG Data Type
            • Datetime and Interval Data Types
              • DATE Data Type
              • TIMESTAMP Data Type
              • TIMESTAMP WITH TIME ZONE Data Type
              • TIMESTAMP WITH LOCAL TIME ZONE Data Type
              • INTERVAL YEAR TO MONTH Data Type
              • INTERVAL DAY TO SECOND Data Type
              • Datetime Arithmetic
                • Interval UDFs vs Snowflake native interval operation
            • LOB Data Types
              • BFILE Data Type
              • BLOB Data Type
              • CLOB Data Type
              • NCLOB Data type
            • JSON Data Type
            • Extended Data Types
            • RAW and LONG RAW Data types
            • PL SQL Data Types
              • PLS_INTEGER Data Type
              • BINARY_INTEGER Data Type
          • Rowid Data Type
            • ROWID DataType
            • UROWID Data Type
          • ANSI Data Types
          • User-Defined Types
            • REF Data Types
          • Any Types
            • ANYTYPE
            • ANYDATA
            • ANYDATASET
          • XML Types
            • XMLType
            • URI Data Types
              • HTTPURIType
              • XDBURIType
              • DBURIType
            • URIFactory Package
          • Spatial Types
            • SDO_GEOMETRY
            • SDO_TOPO_GEOMETRY
            • SDO_GEORASTER
          • Data Type Customization
        • Literals
          • Interval Literal
          • Interval Type and Date Type
          • Text literals
      • Pseudocolumns
        • ROWID
        • ROWNUM
      • Built-in functions
        • SnowConvert Custom UDFs
          • BFILENAME UDF
          • DATE_TO_JULIANDAYS_UDF
          • DATEADD UDF
          • DATEDIFF UDF
          • INTERVAL UDFs
            • DATEADD UDF INTERVAL
            • DATEDIFF UDF INTERVAL
          • CAST_DATE UDF
          • JSON_VALUE UDF
          • JULIAN TO GREGORIAN DATE UDF
          • MONTHS BETWEEN UDF [DEPRECATED]
          • REGEXP LIKE UDF
          • TIMESTAMP DIFF UDF
          • TRUNC (date) UDF
          • TRUNC (number) UDF
        • TO_NUMBER
        • NLSSORT
      • Built-In packages
        • DBMS_LOB
          • SUBSTR Function
        • DBMS_RANDOM
          • VALUE functions
        • DBMS_OUTPUT
          • PUT_LINE procedure
        • UTL_FILE
          • FOPEN procedure
          • PUT_LINE procedure
          • FCLOSE procedure
      • SQL Queries and Subqueries
        • Select
          • Select Flashback Query
        • Joins
          • Equijoin
          • Band Join
          • Self Join
          • Cartesian Products
          • Inner Join
          • Outer Join
          • Antijoin
          • Semijoin
      • SQL Statements
        • Alter Session
        • Alter Table
        • Create Materialized Views
        • Create Database Link
        • Create Index
        • Create Sequence
        • Create Synonym
        • Create Table
        • Create Type
          • Object Type Definition
          • Subtype Definition
          • Array Type Definition
          • Nested Table Type Definition
          • Member Function Definitions
        • Create View
        • Drop Table
      • PL/SQL to Snowflake Scripting
        • ASSIGNMENT STATEMENT
        • CALL
        • CASE
        • COLLECTIONS AND RECORDS
          • Associative Array Type Definition
          • Varray Type Definition
          • Nested Table Array Type Definition
          • Collection Methods
          • Collection Bulk Operations
            • WITH, SELECT, and BULK COLLECT INTO statements
          • Record Type Definition
        • COMPOUND STATEMENTS
        • CONTINUE
        • CREATE PROCEDURE
        • CREATE FUNCTION
          • Cursor for a return variable
          • Cursor with IF statement
          • Multiples IFs statement
        • CURSOR
          • PARAMETRIZED CURSOR
          • CURSOR DECLARATION
          • Workaround for cursors using parameters or procedure variables
          • Cursor Variables
        • DECLARE
        • DEFAULT PARAMETERS
        • DML STATEMENTS
          • INSERT Statement Extension
          • MERGE Statement
          • SELECT INTO Statement
          • Work around to simulate the use of Records
        • EXIT
        • EXPRESSIONS
        • EXECUTE IMMEDIATE
        • FORALL
        • FOR LOOP
        • HELPERS
          • Bulk Cursor Helpers
        • IF
        • IS EMPTY
        • LOCK TABLE
        • LOG ERROR
        • LOOP
        • OUTPUT PARAMETERS
        • PACKAGES
          • DECLARATION
          • BODY
          • VARIABLES
          • Constants
        • PROCEDURE CALL
        • RAISE
        • RAISE_APPICATION_ERROR
        • UDF CALL
        • WHILE
      • PL/SQL to Javascript
        • Procedures
        • User defined functions
        • Packages
        • Helpers
          • EXEC Helper
          • Cursor Helper
          • Raise Helper
          • ROWTYPE Helper
          • Between operator helper
          • Like operator Helper
          • IS NULL Helper
          • Concat Value Helper
          • Package variables helper
          • Implicit Cursor attribute helper
        • Declarations
        • Control Statements
        • Conditional Compilation
        • Collections & Records
        • DDL - DML Statements
        • SQL Language Elements
        • Expressions and operators
        • Synonyms
        • Triggers
        • TYPE attribute
      • SQL*Plus
        • Archive Log
        • Attribute
        • Break
        • Btitle
        • Change
        • Column
        • Define
        • Host
        • Prompt
        • Remark
        • Set
        • Spool
        • Start
        • Whenever oserror
        • Whenever sqlerror
        • Show
        • Append
        • Accept
      • Wrapped objects
    • Transact-SQL
      • General Language Elements
        • COMPUTED COLUMN
        • EXECUTE
          • System Store Procedures
            • SP_RENAME
            • SP_EXECUTESQL
        • Collate
        • USE
        • OUTER APPLY
      • DDLs
        • Tables
          • Azure Synapse Analytics
          • TEXTIMAGE_ON
        • Index
        • Views
        • Materialized View
        • Procedures
        • FUNCTION
          • SCALAR
          • INLINE TABLE-VALUED
          • MULTI-STATEMENT TABLE-VALUED
      • DMLs
        • Set Operators
        • Between
        • Update
          • UPDATE with LEFT and RIGHT JOIN
        • Select
        • Insert
        • Delete
        • Merge
        • Exists
        • IN
        • Truncate
        • Bulk Insert
        • Common Table Expression (CTE)
        • Drops
      • Data Types
      • Statements
        • ALTER
          • TABLE
            • ADD
              • COLUMN DEFINITION
                • COLUMN CONSTRAINT
                  • FOREIGN KEY
                  • PRIMARY KEY / UNIQUE
                  • CHECK
              • TABLE CONSTRAINT
                • FOREIGN KEY
                • PRIMARY KEY
                • CHECK
                • CONNECTION
                • DEFAULT
                • ON PARTITION
            • CHECK CONSTRAINT
        • SET
          • ANSI_NULLS
      • Built-in functions
        • SnowConvert custom UDFs
          • OPENXML UDF
          • STR UDF
          • SWITCHOFFSET_UDF
        • Aggregate functions
          • COUNT
          • COUNT_BIG
          • SUM
        • Analytic Functions
          • LAG
        • Conversion functions
          • CONVERT
          • TRY_CONVERT
        • Data Type functions
          • DATALENGTH
        • Date & Time functions
          • AT TIME ZONE
          • SWITCHOFFSET
          • DATEADD
          • DATEDIFF
          • DATEPART
          • DATEFROMPARTS
          • DATENAME
          • DAY
          • EOMONTH
          • GETDATE
          • MONTH
          • SYSDATETIME
          • SYSUTCDATETIME
          • YEAR
        • Logical functions
          • IIF
        • Mathematical functions
          • ABS
          • ACOS
            • ACOS in JS
          • ASIN
            • ASIN in JS
          • ATAN
            • ATAN in JS
          • ATN2
            • ATAN2 in JS
          • AVG
          • CEILING
          • COS
            • COS in JS
          • COT
            • COT in JS
          • DEGREES
            • DEGREES in JS
          • EXP
            • EXP in JS
          • FLOOR
          • LOG
            • LOG in JS
          • LOG10
            • LOG10 in JS
          • PI
            • PI in JS
          • POWER
            • POW in JS
          • SQUARE
          • STDEV
          • STDEVP
          • VAR
          • POWER
          • RADIANS
            • RADIANS in JS
          • ROUND
          • SQRT
        • Metadata functions
          • DB_NAME
          • OBJECT_ID
        • Ranking functions
          • DENSE_RANK
          • RANK
          • ROW_NUMBER
        • String functions
          • ASCII
            • ASCII in JS
          • CHAR
          • CHARINDEX
          • COALESCE
          • CONCAT
          • CONCAT_WS
            • Join in JS
          • DIFFERENCE
            • DIFFERENCE in JS
          • FORMAT
            • FORMAT in JS
          • LEFT
          • LEN
          • LOWER
          • LTRIM
            • LTRIM in JS
          • NCHAR
          • PATINDEX
            • search in JS
          • QUOTENAME
            • QUOTENAME in JS
          • REPLACE
          • REPLICATE
          • REVERSE
            • reverse in JS
          • RIGHT
          • RTRIM
          • SOUNDEX
            • SOUNDEX in JS
          • SPACE
          • STR
            • STR in JS
          • STRING_ESCAPE
            • stringify in JS
          • SUBSTRING
          • TRIM
            • trim in JS
          • UPPER
        • System functions
          • FORMATMESSAGE
            • FORMATMESSAGE_UDF
          • ISNULL
          • NEWID
          • NULLIF
          • @@ROWCOUNT
        • XML Functions
          • Value
          • Query
      • Built-in procedures
        • Custom User Defined Procedures
          • SP_ADDEXTENDEDPROPERTY_UDP
      • Snowflake Scripting
        • CREATE PROCEDURE
        • CASE
        • CURSOR
        • DECLARE
        • EXECUTE
        • IF
        • SET
        • CALL
        • WHILE
        • BEGIN and COMMIT Transaction
        • OUTPUT PARAMETERS
        • LABEL and GOTO
        • TRY CATCH
      • System Tables
        • SYS.FOREIGN_KEYS
      • Queries
        • SELECT
        • TOP
    • Sybase IQ
      • SQL Statements
        • CREATE TABLE
          • TEMPORARY TABLES
          • IF NOT EXISTS
          • (ENABLE | DISABLE) RLV STORE
          • IN DBSPACE
          • ON COMMIT
          • AT LOCATION
          • PARTITION BY
          • CONSTRAINTS
          • DEFAULT
        • CREATE VIEW
        • SELECT
      • Built-in functions
      • Data Types
    • Redshift
      • Basic elements
        • Names and identifiers
        • Reserved Keywords
        • Literals
          • NULLS
          • Date, time, and timestamp literals
          • Interval Literals
      • Expressions
        • Compound Expressions
          • Bitwise operators
          • Arithmetic operators
        • Expression lists
      • Conditions
        • Comparison Condition
        • Logical Conditions
        • Pattern-matching conditions
          • LIKE
          • SIMILAR TO
          • POSIX Operators
        • BETWEEN
        • NULL
        • IN
        • EXISTS
      • Data types
        • INTERVAL YEAR TO MONTH Data Type
        • INTERVAL DAY TO SECOND Data Type
        • Numeric Format Models
      • SQL Statements
        • CALL
        • CREATE TABLE AS
          • Table Start
            • LOCAL
            • COLUMNS
            • BACKUP
          • Tabla Attributes
            • DISTSTYLE
            • DISTKEY
            • SORTKEY
        • CREATE TABLE
          • Table Start
            • LOCAL
            • IF NOT EXISTS
            • BACKUP
          • Column Attributes
            • DEFAULT
            • IDENTITY
            • GENERATED BY DEFAULT AS IDENTITY
            • ENCODE
            • DISTKEY
            • SORTKEY
            • COLLATE
          • Column Constraint
            • NOT NULL | NULL
            • UNIQUE | PRIMARY KEY
            • REFERENCES
          • Table Constraints
            • UNIQUE
            • PRIMARY KEY
            • FOREIGN KEY
          • Table Attributes
            • DISTSTYLE
            • DISTKEY
            • SORTKEY
            • ENCODE
        • CREATE EXTERNAL TABLE
        • CREATE VIEW
        • CREATE FUNCTION
        • CREATE MATERIALIZED VIEW
        • CREATE PROCEDURE
          • ARGUMENTS MODE
          • POSITIONAL ARGUMENTS
          • NONATOMIC
          • PROCEDURE BODY
            • BLOCK STATEMENT
            • DECLARE
            • ALIAS DECLARATION
            • VARIABLE DECLARATION
            • LABEL
            • CURSORS
              • DECLARE CURSOR
                • DECLARE REFCURSOR
              • OPEN CURSOR
              • FETCH CURSOR
              • CLOSE CURSOR
            • LOOPS
              • LOOP
              • WHILE
              • FOR
              • EXIT
              • CONTINUE
            • TRANSACTIONS
              • COMMIT
              • ROLLBACK
              • TRUNCATE
            • RAISE
            • EXCEPTION
            • RETURN
            • CONDITIONS
              • IF
              • CASE
          • SECURITY (DEFINER | INVOKER)
        • CREATE SCHEMA
        • CREATE DATABASE
        • DELETE
        • INSERT
        • SELECT
          • WITH clause
          • SELECT list
          • FROM clause
          • WHERE clause
          • CONNECT BY clause
          • GROUP BY clause
          • HAVING clause
          • QUALIFY clause
          • UNION, INTERSECT, and EXCEPT
          • ORDER BY clause
        • SELECT INTO
          • WITH clause
          • SELECT list
          • FROM clause
          • WHERE clause
          • GROUP BY clause
          • HAVING clause
          • UNION, INTERSECT, and EXCEPT
          • ORDER BY clause
          • LIMIT and OFFSET clauses
          • Local Variables and Parameters
        • MERGE
        • UPDATE
        • EXECUTE
      • Built-in functions
        • TO_CHAR
          • For datetime values
        • IDENTITY
      • System catalog tables
    • PostgreSQL & Based Languages
      • Built-in functions
      • Data types
      • DDLs
        • CREATE MATERIALIZE VIEW
          • Greenplum
        • CREATE TABLE
          • Netezza
          • Greenplum
        • CREATE VIEW
  • BigQuery
    • Identifier differences between BigQuery and Snowflake
    • Sql Statements
      • CREATE EXTERNAL TABLE
      • CREATE VIEW
        • View column name list
        • View Options
      • CREATE TABLE
        • COLUMN DEFINITION
      • CREATE TABLE LIKE
      • CREATE TABLE COPY
      • CREATE TABLE SNAPSHOT
      • CREATE TABLE CLONE
    • Data types
      • ANY TYPE
      • ARRAY<T>
      • BYTES
      • GEOGRAPHY
      • INTERVAL
      • JSON
      • STRUCT
      • TIMESTAMP
    • Built-in functions
      • ST_GEOGFROMTEXT
      • FORMAT_DATE
      • ST_GEOGPOINT
    • Operators
  • SQL Engine Release Notes
    • Release Notes
      • 2024
      • 2023
  • SnowConvert AI
    • SnowConvert Migration Assistant
      • Getting Started
      • Troubleshooting
      • Billing
      • Legal Notices
Powered by GitBook
On this page
  • Description
  • Grammar Syntax
  • Sample Source Patterns
  • Join types
  • Pivot Clause
  • Unpivot Clause
  • Related EWIs
  1. Translation References
  2. Redshift
  3. SQL Statements
  4. SELECT

FROM clause

PreviousSELECT listNextWHERE clause

Last updated 3 months ago

Description

The FROM clause in a query lists the table references (tables, views, and subqueries) that data is selected from. If multiple table references are listed, the tables must be joined, using appropriate syntax in either the FROM clause or the WHERE clause. If no join criteria are specified, the system processes the query as a cross-join. ()

The is partially supported in Snowflake. is not currently supported.

Grammar Syntax

FROM table_reference [, ...]

<table_reference> ::=
with_subquery_table_name [ table_alias ]
table_name [ * ] [ table_alias ]
( subquery ) [ table_alias ]
table_reference [ NATURAL ] join_type table_reference
   [ ON join_condition | USING ( join_column [, ...] ) ]
table_reference PIVOT ( 
   aggregate(expr) [ [ AS ] aggregate_alias ]
   FOR column_name IN ( expression [ AS ] in_alias [, ...] )
) [ table_alias ]
table_reference UNPIVOT [ INCLUDE NULLS | EXCLUDE NULLS ] ( 
   value_column_name 
   FOR name_column_name IN ( column_reference [ [ AS ]
   in_alias ] [, ...] )
) [ table_alias ]
UNPIVOT expression AS value_alias [ AT attribute_alias ]

Sample Source Patterns

Join types

Input Code:

IN -> Redshift_01.sql
CREATE TABLE employee (
  id INT,
  name VARCHAR(20),
  manager_id INT
);
  
INSERT INTO employee(id, name, manager_id) VALUES
(100, 'Carlos', null),
(101, 'John', 100),
(102, 'Jorge', 101),
(103, 'Kwaku', 101),
(110, 'Liu', 101),
(106, 'Mateo', 102),
(110, 'Nikki', 103),
(104, 'Paulo', 103),
(105, 'Richard', 103),
(120, 'Saanvi', 104),
(200, 'Shirley', 104),
(201, 'Sofía', 102),
(205, 'Zhang', 104);

CREATE TABLE department (
    id INT,
    name VARCHAR(50),
    manager_id INT
);

INSERT INTO department(id, name, manager_id) VALUES
(1, 'HR', 100),
(2, 'Sales', 101),
(3, 'Engineering', 102),
(4, 'Marketing', 103);

SELECT e.name AS employee_name, d.name AS department_name
FROM employee e
INNER JOIN department d ON e.manager_id = d.manager_id;

SELECT e.name AS employee_name, d.name AS department_name
FROM employee e
LEFT JOIN department d ON e.manager_id = d.manager_id;

SELECT d.name AS department_name, e.name AS manager_name
FROM department d
RIGHT JOIN employee e ON d.manager_id = e.id;

SELECT e.name AS employee_name, d.name AS department_name
FROM employee e
FULL JOIN department d ON e.manager_id = d.manager_id;

Inner Join

EMPLOYEE_NAME
DEPARTMENT_NAME

John

HR

Jorge

Sales

Kwaku

Sales

Liu

Sales

Mateo

Engineering

Nikki

Marketing

Paulo

Marketing

Richard

Marketing

Sofía

Engineering

Left Join

EMPLOYEE_NAME
DEPARTMENT_NAME

Carlos

null

John

HR

Jorge

Sales

Kwaku

Sales

Liu

Sales

Mateo

Engineering

Nikki

Marketing

Paulo

Marketing

Richard

Marketing

Saanvi

null

Shirley

null

Sofía

Engineering

Zhang

null

Right Join

DEPARTMENT_NAME
MANAGER_NAME

HR

Carlos

Sales

John

Engineering

Jorge

Marketing

Kwaku

null

Liu

null

Mateo

null

Nikki

null

Paulo

null

Richard

null

Saanvi

null

Shirley

null

Sofía

null

Zhang

Full Join

EMPLOYEE_NAME
DEPARTMENT_NAME

Carlos

null

John

HR

Jorge

Sales

Kwaku

Sales

Liu

Sales

Mateo

Engineering

Nikki

Marketing

Paulo

Marketing

Richard

Marketing

Saanvi

null

Shirley

null

Sofía

Engineering

Zhang

null

Output Code:

OUT -> Redshift_01.sql
CREATE TABLE employee (
  id INT,
  name VARCHAR(20),
  manager_id INT
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "11/05/2024",  "domain": "test" }}';

INSERT INTO employee (id, name, manager_id) VALUES
(100, 'Carlos', null),
(101, 'John', 100),
(102, 'Jorge', 101),
(103, 'Kwaku', 101),
(110, 'Liu', 101),
(106, 'Mateo', 102),
(110, 'Nikki', 103),
(104, 'Paulo', 103),
(105, 'Richard', 103),
(120, 'Saanvi', 104),
(200, 'Shirley', 104),
(201, 'Sofía', 102),
(205, 'Zhang', 104);

CREATE TABLE department (
    id INT,
    name VARCHAR(50),
    manager_id INT
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "11/05/2024",  "domain": "test" }}';

INSERT INTO department (id, name, manager_id) VALUES
(1, 'HR', 100),
(2, 'Sales', 101),
(3, 'Engineering', 102),
(4, 'Marketing', 103);

SELECT e.name AS employee_name, d.name AS department_name
FROM
employee e
INNER JOIN
  department d ON e.manager_id = d.manager_id;

SELECT e.name AS employee_name, d.name AS department_name
FROM
employee e
LEFT JOIN
  department d ON e.manager_id = d.manager_id;

SELECT d.name AS department_name, e.name AS manager_name
FROM
department d
RIGHT JOIN
  employee e ON d.manager_id = e.id;

SELECT e.name AS employee_name, d.name AS department_name
FROM
employee e
FULL JOIN
  department d ON e.manager_id = d.manager_id;

Inner Join

EMPLOYEE_NAME
DEPARTMENT_NAME

John

HR

Jorge

Sales

Kwaku

Sales

Liu

Sales

Mateo

Engineering

Nikki

Marketing

Paulo

Marketing

Richard

Marketing

Sofía

Engineering

Left Join

EMPLOYEE_NAME
DEPARTMENT_NAME

Carlos

null

John

HR

Jorge

Sales

Kwaku

Sales

Liu

Sales

Mateo

Engineering

Nikki

Marketing

Paulo

Marketing

Richard

Marketing

Saanvi

null

Shirley

null

Sofía

Engineering

Zhang

null

Right Join

DEPARTMENT_NAME
MANAGER_NAME

HR

Carlos

Sales

John

Engineering

Jorge

Marketing

Kwaku

null

Liu

null

Mateo

null

Nikki

null

Paulo

null

Richard

null

Saanvi

null

Shirley

null

Sofía

null

Zhang

Full Join

EMPLOYEE_NAME
DEPARTMENT_NAME

Carlos

null

John

HR

Jorge

Sales

Kwaku

Sales

Liu

Sales

Mateo

Engineering

Nikki

Marketing

Paulo

Marketing

Richard

Marketing

Saanvi

null

Shirley

null

Sofía

Engineering

Zhang

null

Pivot Clause

Column aliases cannot be used in the IN clause of the PIVOT query in Snowflake.

Input Code:

IN -> Redshift_02.sql
SELECT *
FROM
    (SELECT e.manager_id, d.name AS department, e.id AS employee_id
     FROM employee e
     JOIN department d ON e.manager_id = d.manager_id) AS SourceTable
PIVOT
    (
     COUNT(employee_id)
     FOR department IN ('HR', 'Sales', 'Engineering', 'Marketing')
    ) AS PivotTable;
MANAGER_ID
'HR'
'Sales'
'Engineering'
'Marketing'

100

1

0

0

0

101

0

3

0

0

102

0

0

2

0

103

0

0

0

3

Output Code:

OUT -> Redshift_02.sql
SELECT *
FROM
    (SELECT e.manager_id, d.name AS department, e.id AS employee_id
     FROM
     employee e
     JOIN
         department d ON e.manager_id = d.manager_id) AS SourceTable
PIVOT
    (
     COUNT(employee_id)
     FOR department IN ('HR', 'Sales', 'Engineering', 'Marketing')
    ) AS PivotTable;

MANAGER_ID
'HR'
'Sales'
'Engineering'
'Marketing'

100

1

0

0

0

101

0

3

0

0

102

0

0

2

0

103

0

0

0

3

Unpivot Clause

Column aliases cannot be used in the IN clause of the UNPIVOT query in Snowflake.

Input Code:

IN -> Redshift_03.sql
CREATE TABLE count_by_color (quality VARCHAR, red INT, green INT, blue INT);

INSERT INTO count_by_color VALUES ('high', 15, 20, 7);
INSERT INTO count_by_color VALUES ('normal', 35, NULL, 40);
INSERT INTO count_by_color VALUES ('low', 10, 23, NULL);


SELECT *
FROM (SELECT red, green, blue FROM count_by_color) UNPIVOT (
    cnt FOR color IN (red, green, blue)
);

SELECT *
FROM (SELECT red, green, blue FROM count_by_color) UNPIVOT (
    cnt FOR color IN (red r, green as g, blue)
);
COLOR
CNT

RED

15

RED

35

RED

10

GREEN

20

GREEN

23

BLUE

7

BLUE

40

Output Code:

OUT -> Redshift_03.sql
CREATE TABLE count_by_color (quality VARCHAR, red INT, green INT, blue INT)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "11/05/2024",  "domain": "test" }}';

INSERT INTO count_by_color
VALUES ('high', 15, 20, 7);
INSERT INTO count_by_color
VALUES ('normal', 35, NULL, 40);
INSERT INTO count_by_color
VALUES ('low', 10, 23, NULL);


SELECT *
FROM (SELECT red, green, blue FROM
            count_by_color
    ) UNPIVOT (
    cnt FOR color IN (red, green, blue)
);

SELECT *
FROM (SELECT red, green, blue FROM
            count_by_color
) UNPIVOT (
    cnt FOR color IN (red
                          !!!RESOLVE EWI!!! /*** SSC-EWI-RS0005 - COLUMN ALIASES CANNOT BE USED IN THE IN CLAUSE OF THE PIVOT/UNPIVOT QUERY IN SNOWFLAKE. ***/!!!
 r, green
          !!!RESOLVE EWI!!! /*** SSC-EWI-RS0005 - COLUMN ALIASES CANNOT BE USED IN THE IN CLAUSE OF THE PIVOT/UNPIVOT QUERY IN SNOWFLAKE. ***/!!!
 as g, blue)
);
COLOR
CNT

RED

15

GREEN

20

BLUE

7

RED

35

BLUE

40

RED

10

GREEN

23

Related EWIs

Snowflake supports all types of joins. For more information, see

: Column aliases cannot be used in the IN clause of the PIVOT/UNPIVOT query in Snowflake.

📘
Redshift SQL Language Reference FROM Clause
FROM clause
Object unpivoting
the JOIN documentation.
SSC-EWI-RS0005