MDAC 2.5 SDK - ODBC Desktop Database Drivers
The purpose of leveling is to inform the application what features are available to it from the driver. The Microsoft ODBC Desktop Database Drivers support all Core and Level 1 functions.
For more information about conformance levels for functions and grammar, see Conformance Levels in the ODBC Programmer's Reference.
Support of ODBC API functions can be dependent on the driver used. The following table maps the function to either the specific ODBC Desktop Database Driver or a description applicable to all drivers.