17.20 - ANSI ODBC Applications - ODBC Driver for Teradata

ODBC Driver for Teradata® User Guide

Product
ODBC Driver for Teradata
Release Number
17.20
Published
June 2022
Language
English (United States)
Last Update
2022-06-21
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In the following section, assume that the ANSI application is limited to SQL_C_CHAR data binding and a non-Unicode session character set is used. The following figure depicts the programming model for ODBC Driver for Teradata.



  1. SQL-Text and SQL_C_CHAR character data flows between the ODBC Application and the ODBC Driver Manager
  2. The ODBC Driver Manager:
    • Converts the SQL-Text to Unicode and passes it to ODBC Driver for Teradata
    • Does not convert the SQL_C_CHAR data and passes it as is to ODBC Driver for Teradata
  3. ODBC Driver for Teradata:
    • Converts the SQL-Text from Unicode to Session Character Set
    • Does not convert the SQL_C_CHAR data and passes it as is to the database