Labels:text | screenshot | diagram | map | rectangle OCR: SQL3 object model is a superset of the SQL-92 relational data model. SQL3 Data Definition Language (DDL) SQL3 requires is a superset of backward capability the SQL-92 DOL. with all of SQL-92. SQL3 Data Manipulation Language (DML) is a superset of the SQL-92 DML. Specifications 301-97. Standard SQL3 is based solely on SQL-92. ANSI X3H2 ANSI X3HZ FIGURE 2. SOL3 heritage.