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        • Validation
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    • User Guide
      • SnowConvert
        • How to install the tool
          • Linux
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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
            • 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)
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  • Description
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  1. Translation References
  2. Teradata
  3. Session Modes in Teradata

TERA Mode For Strings Comparison - COLLATE

This section defines the translation specification for string in Tera mode with the use of COLLATE.

Description

Tera Mode for string comparison and COLLATE usage

The Tera Mode string comparison will apply the COLLATE constraint to the columns or statements as required. The default case specification trim behavior may be taken into account. The default case specification in Teradata for TERA mode is NOT CASESPECIFIC. Thus, the columns without case specification will have COLLATE('en-ci') constraints.

Sample Source Patterns

Setup data

IN -> Teradata_01.sql
CREATE TABLE employees (
    employee_id INTEGER NOT NULL,
    first_name VARCHAR(50) NOT CASESPECIFIC,
    last_name VARCHAR(50) CASESPECIFIC,
    department VARCHAR(50)
);

INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (1, 'George', 'Snow', 'Sales');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (2, 'John', 'SNOW', 'Engineering');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (3, 'WIlle', 'SNOW', 'Human resources   ');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (4, 'Marco', 'SnoW   ', 'EngineerinG');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (5, 'Mary', '   ', 'SaleS  ');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (6, 'GEORGE', '  ', 'sales  ');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (7, 'GEORGE   ', '  ', 'salEs  ');
INSERT INTO employees(employee_id, first_name, last_name, department) VALUES (8, '    GeorgE   ', '  ', 'SalEs  ');
INSERT INTO employees (employee_id, first_name, last_name, department) VALUES (9, 'JOHN', '   SnoW', 'IT');
INSERT INTO employees (employee_id, first_name, last_name, department) VALUES (10, 'JOHN    ', 'snow', 'Finance   ');

CREATE TABLE departments (
    department_id INTEGER NOT NULL,
    department_name VARCHAR(50) NOT CASESPECIFIC,
    location VARCHAR(100) CASESPECIFIC,
    PRIMARY KEY (department_id)
);


INSERT INTO departments (department_id, department_name, location) VALUES (101, 'Information Technology', 'New York');
INSERT INTO departments (department_id, department_name, location) VALUES (102, 'Human Resources', 'Chicago');
INSERT INTO departments (department_id, department_name, location) VALUES (103, 'Sales', 'San Francisco');
INSERT INTO departments (department_id, department_name, location) VALUES (104, 'Finance', 'Boston');
OUT -> Teradata_01.sql
CREATE OR REPLACE TABLE employees (
    employee_id INTEGER NOT NULL,
    first_name VARCHAR(50) COLLATE 'en-ci',
    last_name VARCHAR(50),
    department VARCHAR(50) COLLATE 'en-ci'
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "teradata",  "convertedOn": "11/01/2024",  "domain": "test" }}'
;

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (1, 'George', 'Snow', 'Sales');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (2, 'John', 'SNOW', 'Engineering');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (3, 'WIlle', 'SNOW', 'Human resources   ');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (4, 'Marco', 'SnoW   ', 'EngineerinG');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (5, 'Mary', '   ', 'SaleS  ');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (6, 'GEORGE', '  ', 'sales  ');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (7, 'GEORGE   ', '  ', 'salEs  ');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (8, '    GeorgE   ', '  ', 'SalEs  ');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (9, 'JOHN', '   SnoW', 'IT');

INSERT INTO employees (employee_id, first_name, last_name, department)
VALUES (10, 'JOHN    ', 'snow', 'Finance   ');

CREATE OR REPLACE TABLE departments (
    department_id INTEGER NOT NULL,
    department_name VARCHAR(50) COLLATE 'en-ci',
    location VARCHAR(100),
       PRIMARY KEY (department_id)
   )
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "teradata",  "convertedOn": "11/01/2024",  "domain": "test" }}'
;

INSERT INTO departments (department_id, department_name, location)
VALUES (101, 'Information Technology', 'New York');

INSERT INTO departments (department_id, department_name, location)
VALUES (102, 'Human Resources', 'Chicago');

INSERT INTO departments (department_id, department_name, location)
VALUES (103, 'Sales', 'San Francisco');

INSERT INTO departments (department_id, department_name, location)
VALUES (104, 'Finance', 'Boston');

Comparison operation

Case 1: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE first_name = 'GEorge ';
employee_id
first_name
last_name
department

7

GEORGE

salEs

1

George

Snow

Sales

6

GEORGE

sales

Snowflake

SELECT
 *
FROM
 employees
WHERE
 RTRIM(first_name) = RTRIM('GEorge ');
employee_id
first_name
last_name
department

7

GEORGE

salEs

1

George

Snow

Sales

6

GEORGE

sales

Case 2: Column constraint is CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE last_name = 'SNOW ';
employee_id
first_name
last_name
department

3

WIlle

SNOW

Human resources

2

John

SNOW

Engineering

Snowflake

SELECT
 *
FROM
 employees
WHERE
 RTRIM(last_name) = RTRIM('SNOW ');
employee_id
first_name
last_name
department

3

WIlle

SNOW

Human resources

2

John

SNOW

Engineering

Case 3: CAST NOT CASESPECIFIC column to CASESPECIFIC and database mode is TERA Mode

Notice that the following queries

  • SELECT * FROM employees WHERE first_name = 'JOHN ' (CASESPECIFIC)

  • SELECT * FROM employees WHERE first_name (CASESPECIFIC) = 'JOHN '

will return the same values.

Teradata

SELECT * FROM employees WHERE first_name = 'JOHN   ' (CASESPECIFIC);
employee_id
first_name
last_name
department

9

JOHN

SnoW

IT

10

JOHN

snow

Finance

Snowflake

SELECT
    *
FROM
    employees
WHERE 
    COLLATE(first_name, 'en-cs-rtrim') = 'JOHN   ' /*** SSC-FDM-TD0032 - CASESPECIFIC CLAUSE WAS REMOVED ***/;
employee_id
first_name
last_name
department

9

JOHN

SnoW

IT

10

JOHN

snow

Finance

Case 4: CAST CASESPECIFIC column to NOT CASESPECIFIC and database mode is TERA Mode

CAST to a column on the left side of the comparison has priority.

For example:

  • SELECT * FROM employees WHERE last_name (NOT CASESPECIFIC) = 'snoW'; will return 5 rows.

  • SELECT * FROM employees WHERE last_name = 'snoW' (NOT CASESPECIFIC); will return 0 rows with this setup data.

Teradata

SELECT * FROM employees WHERE last_name (NOT CASESPECIFIC)  = 'snoW' ;
employee_id
first_name
last_name
department

1

George

Snow

Sales

2

John

SNOW

Engineering

3

WIlle

SNOW

Human resources

4

Marco

SnoW

EngineerinG

10

JOHN

snow

Finance

Snowflake

SELECT
   *
FROM
   employees
WHERE
   COLLATE(last_name /*** SSC-FDM-TD0032 - NOT CASESPECIFIC CLAUSE WAS REMOVED ***/, 'en-ci-rtrim') = 'snoW' ;
employee_id
first_name
last_name
department

1

George

Snow

Sales

2

John

SNOW

Engineering

3

WIlle

SNOW

Human resources

4

Marco

SnoW

EngineerinG

10

JOHN

snow

Finance

LIKE operation

Case 1: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE first_name LIKE 'GeorgE';
employee_id
first_name
last_name
department

1

George

Snow

Sales

6

GEORGE

sales

Snowflake

SELECT
   *
FROM
   employees
WHERE
   RTRIM(first_name) LIKE RTRIM('GeorgE');
employee_id
first_name
last_name
department

1

George

Snow

Sales

6

GEORGE

sales

Case 2: Column constraint is CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE last_name LIKE 'Snow';
employee_id
first_name
last_name
department

1

George

Snow

Sales

Snowflake

SELECT
   *
FROM
   employees
WHERE
   RTRIM(last_name) LIKE RTRIM('Snow');
employee_id
first_name
last_name
department

1

George

Snow

Sales

Case 3: CAST NOT CASESPECIFIC column to CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE first_name LIKE 'George' (CASESPECIFIC);
employee_id
first_name
last_name
department

1

George

Snow

Sales

Snowflake

SELECT
    *
FROM
    employees
WHERE
    COLLATE(first_name, 'en-cs-rtrim') LIKE 'George';
employee_id
first_name
last_name
department

1

George

Snow

Sales

Case 4: CAST CASESPECIFIC column to NOT CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE last_name LIKE 'SNO%' (NOT CASESPECIFIC);
employee_id
first_name
last_name
department

3

WIlle

SNOW

Human resources

2

John

SNOW

Engineering

Snowflake

SELECT
   *
FROM
   employees
WHERE
   RTRIM(last_name) LIKE RTRIM('SNO%' /*** SSC-FDM-TD0032 - NOT CASESPECIFIC CLAUSE WAS REMOVED ***/);
employee_id
first_name
last_name
department

3

WIlle

SNOW

Human resources

2

John

SNOW

Engineering

IN Operation

Case 1: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

IN -> Teradata_08.sql
SELECT *
FROM employees
WHERE first_name IN ('George   ');
employee_id
first_name
last_name
department

7

GEORGE

salEs

1

George

Snow

Sales

6

GEORGE

sales

Snowflake

SELECT
   *
FROM
   employees
WHERE
   RTRIM(first_name) IN (RTRIM('George   '));
employee_id
first_name
last_name
department

7

GEORGE

salEs

1

George

Snow

Sales

6

GEORGE

sales

Case 2: Column constraint is not defined and database mode is TERA Mode

In Tera mode, not defined case specification means NOT CASESPECIFIC.

Teradata

SELECT *
FROM employees
WHERE department IN ('Sales    ');
employee_id
first_name
last_name
department

1

George

Snow

Sales

5

Mary

SaleS

6

GEORGE

sales

7

GEORGE

salEs

8

GeorgE

SalEs

Snowflake

SELECT
   *
FROM
   employees
WHERE
   RTRIM(department) IN (RTRIM('Sales    '));
employee_id
first_name
last_name
department

1

George

Snow

Sales

5

Mary

SaleS

6

GEORGE

sales

7

GEORGE

salEs

8

GeorgE

SalEs

Case 3: Column constraint is CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT *
FROM employees
WHERE last_name IN ('SNOW   ');
employee_id
first_name
last_name
department

3

WIlle

SNOW

Human resources

2

John

SNOW

Engineering

Snowflake

SELECT
   *
FROM
   employees
WHERE
   RTRIM(last_name) IN (RTRIM('SNOW   '));
employee_id
first_name
last_name
department

3

WIlle

SNOW

Human resources

2

John

SNOW

Engineering

ORDER BY clause

Case 1: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT employee_id, first_name
FROM employees
ORDER BY employee_id, first_name;
employee_id
first_name

1

George

2

John

3

WIlle

4

Marco

5

Mary

6

GEORGE

7

GEORGE

8

GeorgE

9

JOHN

10

JOHN

Snowflake

SELECT employee_id, first_name
FROM employees
ORDER BY employee_id, first_name;
employee_id
first_name

1

George

2

John

3

WIlle

4

Marco

5

Mary

6

GEORGE

7

GEORGE

8

GeorgE

9

JOHN

10

JOHN

Case 2: Column constraint is CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT employee_id, last_name
FROM employees
ORDER BY employee_id, last_name;
employee_id
last_name

1

Snow

2

SNOW

3

SNOW

4

SnoW

5

6

7

8

9

SnoW

10

snow

Snowflake

SELECT employee_id, last_name
FROM employees
ORDER BY employee_id, last_name;
employee_id
last_name

1

Snow

2

SNOW

3

SNOW

4

SnoW

5

6

7

8

9

SnoW

10

snow

GROUP BY clause

Case 1: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT first_name
FROM employees
GROUP BY first_name;
first_name

Mary

GeorgE

WIlle

JOHN

Marco

GEORGE

Snowflake

Case specification in output may vary depending on the number of columns selected.

SELECT
   first_name
FROM
   employees
GROUP BY first_name;
first_name

John

Marco

George

GeorgE

WIlle

Mary

Case 2: Column constraint is CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT last_name
FROM employees
GROUP BY last_name;
last_name

SnoW

SNOW

SnoW

Snow

snow

Snowflake

SELECT
   last_name
FROM
   employees
GROUP BY last_name;
last_name

SnoW

SNOW

SnoW

Snow

snow

HAVING clause

The HAVING clause will use the patterns in:

  • Evaluation operations.

    • For example: =, !=, <, >.

  • LIKE operation.

  • IN Operation.

  • CAST to evaluation operation.

  • CAST to LIKE operation.

The following sample showcases a pattern with evaluation operation.

Sample: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

Case specification in output may vary depending on the number of columns selected. This is also related to the GROUP BY clause.

SELECT first_name
FROM employees
GROUP BY first_name
HAVING first_name = 'George  ';
employee_id
first_name

7

GEORGE

1

George

6

GEORGE

Snowflake

SELECT
  employee_id,
  first_name
FROM
  employees
GROUP BY employee_id, first_name
HAVING
   RTRIM(first_name) = RTRIM('George  ');
employee_id
first_name

7

GEORGE

1

George

6

GEORGE

CASE WHEN statement

The CASE WHEN statement will use the patterns described in:

  • Evaluation operations.

    • For example: =, !=, <, >.

  • LIKE operation.

  • IN Operation.

  • CAST to evaluation operation.

  • CAST to LIKE operation.

The following sample showcases a pattern with evaluation operation.

Teradata

SELECT first_name,
      last_name,
      CASE
          WHEN department = 'Engineering' THEN 'Information Technology'
          WHEN first_name = 'GeorgE' THEN 'GLOBAL SALES'
          ELSE 'Other'
      END AS department_full_name
FROM employees
WHERE last_name = '';
first_name
last_name
department_full_name

GEORGE

GLOBAL SALES

Mary

Other

GeorgE

Other

GEORGE

GLOBAL SALES

Snowflake

SELECT
   first_name,
   last_name,
   CASE
      WHEN RTRIM(department) = RTRIM('Engineering')
         THEN 'Information Technology'
      WHEN RTRIM(first_name) = RTRIM('GeorgE')
         THEN 'GLOBAL SALES'
      ELSE 'Other'
   END AS department_full_name
FROM
   employees
WHERE
   RTRIM( last_name) = RTRIM('');
first_name
last_name
department_full_name

GEORGE

GLOBAL SALES

Mary

Other

GeorgE

Other

GEORGE

GLOBAL SALES

JOIN clause

Simple scenarios with evaluation operations are supported.

The JOIN statement will use the patterns described in:

  • EvaluaComparisonComparisontion operations.

    • For example: =, !=, <, >.

  • LIKE operation.

  • IN Operation.

  • CAST to evaluation operation.

  • CAST to LIKE operation.

The following sample showcases a pattern with evaluation operation.

Sample: Column constraint is NOT CASESPECIFIC and database mode is TERA Mode

Teradata

SELECT
    e.employee_id,
    e.first_name,
    e.last_name,
    d.department_name
FROM
    employees e
JOIN
    departments d
ON
    e.department = d.department_name;
employee_id
first_name
last_name
department_name

1

George

Snow

Sales

3

WIlle

SNOW

Human Resources

5

Mary

Sales

6

GEORGE

Sales

7

GEORGE

Sales

8

GeorgE

Sales

10

JOHN

snow

Finance

Snowflake

SELECT
   e.employee_id,
   e.first_name,
   e.last_name,
   d.department_name
FROM
   employees e
JOIN
   departments d
ON RTRIM(e.department) = RTRIM(d.department_name);
employee_id
first_name
last_name
department_name

1

George

Snow

Sales

3

WIlle

SNOW

Human Resources

5

Mary

Sales

6

GEORGE

Sales

7

GEORGE

Sales

8

GeorgE

Sales

10

JOHN

snow

Finance

Related EWIs

PreviousTERA Mode For Strings Comparison - NO COLLATENextANSI Mode For Strings Comparison - NO COLLATE

Last updated 5 months ago

: GROUP BY REQUIRED COLLATE FOR CASE INSENSITIVE COLUMNS

: [NOT] CASESPECIFIC CLAUSE WAS REMOVED

📘
SSC-EWI-TD0007
SC-FDM-TD0032