The three conformance levels for ODBC drivers are core, level one, and level two. CSPs that support the functionality in levels one and two are:
Level one
sp_columns
sp_datatype_info
sp_special_columns
sp_statistics
sp_tables
Level two
sp_column_privileges
sp_fkeys
sp_pkeys
sp_sproc_columns
sp_stored_procedures
sp_table_privileges
