OpenAccess SDK SQL Engine implements a large portion of the entry level SQL as defined in the X3.135-1992 "Database Language SQL" specification, as well as SQL features from ANSI SQL99 and commercial databases such as Microsoft SQL Server and Oracle. It is compliant with the ODBC minimal grammar specification. See
Non-Supported SQL-92 functionality for the details of the SQL that is not supported by OpenAccess SDK SQL engine.