odbc_foreignkeys --
Returns a list of foreign keys in the specified table or a list
of foreign keys in other tables that refer to the primary key in
the specified table
odbc_free_result --
Gibt den durch ein Abfrageergebnis belegten Speicher wieder frei
odbc_gettypeinfo --
Returns a result identifier containing information about data
types supported by the data source.
odbc_specialcolumns --
Returns either the optimal set of columns that uniquely
identifies a row in the table or columns that are automatically
updated when any value in the row is updated by a transaction