15.10 - ANSI ODBC Applications - ODBC Driver for Teradata

ODBC Driver for Teradata User Guide

Product
ODBC Driver for Teradata
Release Number
15.10
Content Type
User Guide
Publication ID
B035-2509-035K
Language
English (United States)

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. Figure 1 depicts the programming model for ODBC Driver for Teradata:

Figure 1: Programming Model for ANSI Applications

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 the ODBC Driver
  • Does not convert the SQL_C_CHAR data and passes it as is to the ODBC Driver
  • 3 The ODBC Driver for Teradata Database:

  • Converts the SQL-Text from Unicode to Session Character Set
  • Does not convert the SQL_C_CHAR data and passes it as is to Teradata Database