Leon, Alexis  . <br/><br/>
SQL: a complete reference /   Textual Documents 
Alexis Leon. 
 - New Delhi :   Tata Mc Graw Hill Publishing Company ,   1999. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Relational Database SQL 
<br/><br/><label>Dewey Class. No.: </label>005.7565S  / LEO