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General ODBC and SQL Support Levels

ODBC specifies general conformance levels in two areas:

  • ODBC application programming interface (API). c-treeSQL supports all Core and Level 1 ODBC API functions, and most Level 2 functions.
  • ODBC SQL syntax. c-treeSQL supports Extended SQL syntax.

The rest of this chapter provides more detail on that support. Specifically, it details the information the c-treeSQL ODBC driver returns when applications call the following functions:

  • SQLGetInfo() returns various details about the driver and its data source
  • Environment, connection, and statement attribute functions return or specify attributes of driver behavior
  • SQLGetFunctions() returns ODBC functions the driver supports
  • SQLGetTypeInfo() returns data types the driver supports