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    • User Guide
      • SnowConvert
        • How to install the tool
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          • 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
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          • 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
          • PostgreSQL
            • SSC-EWI-PG0001
            • SSC-EWI-PG0002
            • SSC-EWI-PG0003
            • SSC-EWI-PG0004
            • SSC-EWI-PG0005
            • 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)
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  1. Translation References
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SELECT

PreviousCREATE VIEWNextBuilt-in functions

Last updated 26 days ago

Description

Retrieves information from the database. ()

This syntax is partially supported in Snowflake.

Grammar Syntax

SELECT 
[ ALL | DISTINCT ] 
[ row-limitation-option1 ] 
   	select-list
   … 	[ INTO { host-variable-list | variable-list | table-name } ]
   … 	[ INTO LOCAL TEMPORARY TABLE { table-name } ]
   … 	[ FROM table-list ]
   … 	[ WHERE search-condition ]
   … 	[ GROUP BY [ expression [, ...]
         | ROLLUP ( expression [, ...] )
         | CUBE ( expression [, ...] ) ] ] 
   … 	[ HAVING search-condition ]
   … 	[ ORDER BY { expression | integer } [ ASC | DESC ] [, ...] ]
   | 	[ FOR JSON json-mode ] 
   … [ row-limitation-option ]

select-list:
   { column-name
   | expression [ [ AS ] alias-name ]
   | * 
   }

row-limitation-option1:
   FIRST 
   | TOP {ALL | limit-expression} [START AT startat-expression ]
  
limit-expression:
    simple-expression
  
startat-expression:
    simple-expression

row-limitation-option2:
   LIMIT { [ offset-expression, ] limit-expression 
   | limit-expression OFFSET offset-expression }

offset-expression:
   simple-expression

simple-expression:
   integer
   | variable
   | ( simple-expression )
   | ( simple-expression { + | - | * } simple-expression )


..FROM <table-expression> [,...]

<table-expression> ::=
   <table-name>
   | <view-name>
   | <procedure-name>
   | <common-table-expression>
   | ( <subquery> ) [ [ AS ] <derived-table-name> ( <column_name, ...>) ] ]
   | <derived-table>
   | <join-expression> 
   | ( <table-expression> , ... )
   | <openstring-expression>
   | <apply-expression>
   | <contains-expression>
   | <dml-derived-table>

<table-name> ::=
   [ <userid>.] <table-name> ]
   [ [ AS ] <correlation-name> ]
   [ FORCE INDEX ( <index-name> ) ]

<view-name> ::=
   [ <userid>.]<view-name> [ [ AS ] <correlation-name> ]

<procedure-name> ::=
   [  <owner>, ] <procedure-name> ([ <parameter>, ...])
   [  WITH(<column-name datatype>, )]
   [ [ AS ] <correlation-name> ]

<parameter> ::=
   <scalar-expression> | <table-parameter>

<table-parameter> ::= 
   TABLE (<select-statement)> [ OVER ( <table-parameter-over> )]

<table-parameter-over> ::=
   [ PARTITION BY {ANY
   | NONE|< table-expression> } ] 
   [ ORDER BY { <expression> | <integer> } 
   [ ASC | DESC ] [, ...] ]

<derived-table> ::=
   ( <select-statement> ) 
   	[ AS ] <correlation-name> [ ( <column-name>, ... ) ]

<join-expression> ::=
   <table-expression> <join-operator> <table-expression>
   	[ ON <join-condition> ]

<join-operator> ::=
   [ KEY | NATURAL ] [ <join-type> ] JOIN | CROSS JOIN

<join-type> ::=
   INNER
     | LEFT [ OUTER ]
     | RIGHT [ OUTER ]
     | FULL [ OUTER ]

<openstring-expression> ::=
   OPENSTRING ( { FILE | VALUE } <string-expression> )
     WITH ( <rowset-schema> ) 
   	[ OPTION ( <scan-option> ...  ) ]
   	[ AS ] <correlation-name>

<apply-expression> ::=
   <table-expression> { CROSS | OUTER } APPLY <table-expression>

<contains-expression> ::=
   { <table-name>  | <view-name> } CONTAINS 
   ( <column-name> [,...], <contains-query> ) 
   [ [ AS ] <score-correlation-name> ]

<rowset-schema> ::=
   <column-schema-list>
	   | TABLE [<owner>.]<table-name> [ ( <column-list> ) ]

<column-schema-list> ::=
   { <column-name user-or-base-type> |  filler( ) } [ , ... ]

<column-list> ::=
   { <column-name> | filler( ) } [ , ... ]

<scan-option> ::=
   BYTE ORDER MARK { ON | OFF }
   | COMMENTS INTRODUCED BY <comment-prefix>
   | DELIMITED BY <string>
   | ENCODING <encoding>
   | ESCAPE CHARACTER <character>
   | ESCAPES { ON | OFF }
   | FORMAT { TEXT  | BCP  }
   | HEXADECIMAL { ON | OFF }
   | QUOTE <string>
   | QUOTES { ON | OFF }
   | ROW DELIMITED BY string
   | SKIP <integer>
   | STRIP { ON | OFF | LTRIM | RTRIM | BOTH }

<contains-query> ::= <string>

<dml-derived-table> ::=
   ( <dml-statement>  ) REFERENCING ( [ <table-version-names>  | NONE ] )

<dml-statement> ::=
   <insert-statement> 
   <update-statement>
   <delete-statement>

<table-version-names> ::=
   OLD [ AS ] <correlation-name> [ FINAL [ AS ] <correlation-name> ]
     | FINAL [ AS ] <correlation-name>

Sample Source Patterns

Row Limitation

Sybase allow row limitation in a query by using TOP clause with an optional START AT that Snowflake not supports but can transformed as down below to achieve the same functionality.

Input Code:

IN -> Sybase_01.sql
SELECT
TOP 10 START AT 2
COL1 
FROM TABLE1;

SELECT
FIRST
COL1 
FROM TABLE1;

SELECT
COL1 
FROM TABLE1
LIMIT 2, 1;

SELECT
COL1 
FROM TABLE1
LIMIT 1 OFFSET 2;

Output Code:

OUT -> Sybase_01.sql
SELECT
COL1
FROM
TABLE1
LIMIT 10 OFFSET 2;

SELECT
TOP 1
COL1
FROM
TABLE1;

SELECT
COL1
FROM
TABLE1
LIMIT 1 OFFSET 2;

SELECT
COL1
FROM
TABLE1
LIMIT 1 OFFSET 2;

Into Clause

In Sybase a Table can be defined by selecting multiple rows and defining a name to stored the date retrieved. Snowflake does not support this behavior but can emulated by doing a CREATE TABLE AS.

Input Code:

IN -> Sybase_02.sql
SELECT
* INTO mynewtable
FROM TABLE1;

SELECT
* INTO LOCAL TEMPORARY TABLE mynewtable
FROM TABLE1;

SELECT
* INTO #mynewtable
FROM TABLE1;

Output Code:

OUT -> Sybase_02.sql
CREATE OR REPLACE TABLE mynewtable AS
SELECT
*
FROM
TABLE1;

CREATE OR REPLACE TEMPORARY TABLE mynewtable AS
SELECT
*
FROM
TABLE1;

CREATE OR REPLACE TEMPORARY TABLE T_mynewtable AS
SELECT
*
FROM
TABLE1;

Force Index

Snowflake does not contain indexes for query optimization.

Input Code:

IN -> Sybase_03.sql
SELECT * FROM MyTable FORCE INDEX (MyIndex);

Output Code:

OUT -> Sybase_03.sql
SELECT
*
FROM
MyTable
--        --** SSC-FDM-SY0002 - FORCE INDEX IS NOT SUPPORTED IN SNOWFLAKE **
--        FORCE INDEX (MyIndex)
                             ;

TABLE FUNCTIONS

Input Code:

IN -> Sybase_04.sql
SELECT * FROM 
MyProcedure(TABLE (SELECT * FROM TABLE1));

SELECT * FROM MyProcedure(1, 'test');

SELECT * FROM 
MyProcedure(
TABLE (SELECT * FROM TABLE1) 
OVER (PARTITION BY Col1 ORDER BY Col2 DESC));

SELECT * FROM 
MyProcedure(
TABLE (SELECT * FROM AnotherTable) );

Output Code:

OUT -> Sybase_04.sql
  SELECT
    *
  FROM
    --** SSC-FDM-SY0001 - CALLING STORED PROCEDURE IN FROM CLAUSE MIGHT HAVE COMPILATION ERRORS **
    TABLE(MyProcedure());
  
  SELECT
    *
  FROM
    --** SSC-FDM-SY0001 - CALLING STORED PROCEDURE IN FROM CLAUSE MIGHT HAVE COMPILATION ERRORS **
    TABLE(MyProcedure(
                      !!!RESOLVE EWI!!! /*** SSC-EWI-SY0004 - UNSUPPORTED SYNTAX TABLE FUNCTION CAN'T RECEIVE A QUERY AS PARAMETER ***/!!!
                      TABLE(
      SELECT
        *
      FROM
        TABLE1
                      )));
  
  SELECT
    *
  FROM
    --** SSC-FDM-SY0001 - CALLING STORED PROCEDURE IN FROM CLAUSE MIGHT HAVE COMPILATION ERRORS **
    TABLE(MyProcedure(1, 'test'));
  
  SELECT
    *
  FROM
    --** SSC-FDM-SY0001 - CALLING STORED PROCEDURE IN FROM CLAUSE MIGHT HAVE COMPILATION ERRORS **
    TABLE(MyProcedure(
    !!!RESOLVE EWI!!! /*** SSC-EWI-SY0004 - UNSUPPORTED SYNTAX TABLE FUNCTION CAN'T RECEIVE A QUERY AS PARAMETER ***/!!!
    TABLE(
      SELECT
        *
      FROM
        TABLE1
    )
    !!!RESOLVE EWI!!! /*** SSC-EWI-SY0005 - UNSUPPORTED SYNTAX TABLE FUNCTION CAN'T BE USED WITH OVER EXPRESSION ***/!!!
    OVER (
    PARTITION BY
      Col1
    ORDER BY Col2 DESC)));
  
  SELECT
    *
  FROM
    --** SSC-FDM-SY0001 - CALLING STORED PROCEDURE IN FROM CLAUSE MIGHT HAVE COMPILATION ERRORS **
    TABLE(MyProcedure(
    !!!RESOLVE EWI!!! /*** SSC-EWI-SY0004 - UNSUPPORTED SYNTAX TABLE FUNCTION CAN'T RECEIVE A QUERY AS PARAMETER ***/!!!
    TABLE(
      SELECT
        *
      FROM
        AnotherTable
    )));

OPEN STRING

Input Code:

IN -> Sybase_05.sql
-- Openstring from file
SELECT * FROM 
OPENSTRING (FILE '/path/to/file.txt') 
WITH (Col1 INT, Col2 VARCHAR(20)) AS OS;

-- Openstring from value
SELECT * FROM 
OPENSTRING (VALUE '1,test') 
WITH (Col1 INT, Col2 VARCHAR(20)) AS OS;

-- Openstring with options
SELECT * FROM 
OPENSTRING (FILE '/path/to/file.csv') 
WITH (Col1 INT, Col2 VARCHAR(20)) 
OPTION (DELIMITED BY ',' QUOTE '"') AS OS;

Output Code:

OUT -> Sybase_05.sql
-- Openstring from file
SELECT
*
FROM
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0006 - OPEN STRING IS NOT SUPPORTED IN SNOWFLAKE ***/!!!
OPENSTRING (FILE '/path/to/file.txt')
WITH (Col1 INT, Col2 VARCHAR(20)) AS OS;

-- Openstring from value
SELECT
*
FROM
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0006 - OPEN STRING IS NOT SUPPORTED IN SNOWFLAKE ***/!!!
OPENSTRING (VALUE '1,test')
WITH (Col1 INT, Col2 VARCHAR(20)) AS OS;

-- Openstring with options
SELECT
*
FROM
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0006 - OPEN STRING IS NOT SUPPORTED IN SNOWFLAKE ***/!!!
OPENSTRING (FILE '/path/to/file.csv')
WITH (Col1 INT, Col2 VARCHAR(20))
OPTION (DELIMITED BY ',' QUOTE '"') AS OS;

DML Derived Table

In Sybase, during execution, the DML statement specified in the dml-derived table is executed first, and the rows affected by that DML materialize into a temporary table whose columns are described by the REFERENCING clause. The temporary table represents the result set of dml-derived-table. Snowflake does not support this behavior.

Input Code:

IN -> Sybase_06.sql
-- DML derived table with insert
SELECT * FROM (INSERT INTO TargetTable (Col1, Col2) VALUES (1, 'test')) REFERENCING (FINAL AS F);

-- DML derived table with update
SELECT * FROM (UPDATE TargetTable SET Col2 = 'updated' WHERE Col1 = 1) REFERENCING (OLD AS O FINAL AS F);

-- DML derived table with delete
SELECT * FROM (DELETE FROM TargetTable WHERE Col1 = 1) REFERENCING (OLD AS O);

Output Code:

OUT -> Sybase_06.sql
-- DML derived table with insert
SELECT
*
FROM
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0007 - DML DERIVED TABLE NOT SUPPORTED IN SNOWFLAKE ***/!!! (INSERT INTO TargetTable (Col1, Col2) VALUES (1, 'test')) REFERENCING (FINAL AS F);

-- DML derived table with update
SELECT
*
FROM
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0007 - DML DERIVED TABLE NOT SUPPORTED IN SNOWFLAKE ***/!!! (UPDATE TargetTable SET Col2 = 'updated' WHERE Col1 = 1) REFERENCING (OLD AS O FINAL AS F);

-- DML derived table with delete
SELECT
*
FROM
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0007 - DML DERIVED TABLE NOT SUPPORTED IN SNOWFLAKE ***/!!! (DELETE FROM TargetTable WHERE Col1 = 1) REFERENCING (OLD AS O);

KEY JOIN

Snowflake does not support KEY join but when the ON CLAUSE is defined in the query the KEY keyword and removed otherwise an EWI is inserted.

Input Code:

IN -> Sybase_07.sql
SELECT * FROM Table1 KEY JOIN Table2;
SELECT * FROM Table1 KEY JOIN Table2 ON Table1.ID = Table2.ID;

Output Code:

OUT -> Sybase_07.sql
SELECT
*
FROM
Table1
!!!RESOLVE EWI!!! /*** SSC-EWI-SY0009 - KEY JOIN NOT SUPPORTED IN SNOWFLAKE ***/!!!
KEY JOIN
Table2;

SELECT
*
FROM
Table1
JOIN
Table2
ON Table1.ID = Table2.ID;

OUTER-CROSS APPLY

Snowflake transforms the clause the CROSS APPLY into LEFT OUTER JOIN and OUTER APPLY to INNER JOIN.

Snowflaes

Input Code:

IN -> Sybase_08.sql
-- Apply cross apply
SELECT * FROM Table1 CROSS APPLY (SELECT Col2 FROM Table2 WHERE Table1.ID = Table2.ID) AS AP;

-- Apply outer apply
SELECT * FROM Table1 OUTER APPLY (SELECT Col2 FROM Table2 WHERE Table1.ID = Table2.ID) AS AP;

Output Code:

OUT -> Sybase_08.sql
-- Apply cross apply
SELECT
    *
FROM
    Table1
    LEFT OUTER JOIN (
        SELECT
            Col2
        FROM
            Table2
        WHERE
            Table1.ID = Table2.ID
    ) AS AP;

-- Apply outer apply
SELECT
    *
FROM
    Table1
    INNER JOIN LATERAL (
        SELECT
            Col2
        FROM
            Table2
        WHERE
            Table1.ID = Table2.ID
    ) AS AP;

CONTAINS Clause

Input Code:

IN -> Sybase_09.sql
-- Contains clause
SELECT * FROM MyTable CONTAINS (TextColumn, 'search term') AS Score;

-- Contains clause with multiple columns.
SELECT * FROM MyTable CONTAINS (TextColumn,TextColumn2, 'search term') AS Score;

Output Code:

OUT -> Sybase_09.sql
-- Contains clause
SELECT
*
FROM
MyTable
        !!!RESOLVE EWI!!! /*** SSC-EWI-SY0008 - CONTAINS CLAUSE NOT SUPPORTED IN SNOWFLAKE ***/!!!
        CONTAINS (TextColumn, 'search term') AS Score;

-- Contains clause with multiple columns.
SELECT
*
FROM
MyTable
        !!!RESOLVE EWI!!! /*** SSC-EWI-SY0008 - CONTAINS CLAUSE NOT SUPPORTED IN SNOWFLAKE ***/!!!
        CONTAINS (TextColumn,TextColumn2, 'search term') AS Score;

Related EWIs

Snowflake allows calling a stored procedure(when the procedure meets certain ) or a table value function in a FROM clause, but RESULTSETS and windowing cannot be used as parameters.

Snowflake does not support functionality.

In Sybase the clause following a table name to filter the table and return only those rows matching the full text query specified with contains-query. Every matching row of the table is returned together with a score column that can be referred to using score-correlation-name. Snowflake does not support this behavior.

: GLOBAL TEMPORARY TABLE FUNCTIONALITY NOT SUPPORTED.

: CALLING STORED PROCEDURE IN FROM CLAUSE MIGHT HAVE COMPILATION ERRORS

: FORCE INDEX IS NOT SUPPORTED IN SNOWFLAKE

- UNSUPPORTED SYNTAX TABLE FUNCTION CAN'T RECEIVE A QUERY AS PARAMETER

- UNSUPPORTED SYNTAX TABLE FUNCTION CAN'T BE USED WITH OVER EXPRESSION

- OPEN STRING IS NOT SUPPORTED IN SNOWFLAKE

- DML DERIVED TABLE NOT SUPPORTED IN SNOWFLAKE

- CONTAINS CLAUSE NOT SUPPORTED IN SNOWFLAKE

- KEY JOIN NOT SUPPORTED IN SNOWFLAKE

📘
Sybase SQL Language Reference
limitations
OPENSTRING
CONTAINS
SSC-FDM-0009
SSC-FDM-SY0001
SSC-FDM-SY0002
SSC-EWI-SY0004
SSC-EWI-SY0005
SSC-EWI-SY0006
SSC-EWI-SY0007
SSC-EWI-SY0008
SSC-EWI-SY0009