Informix guide to SQL: tutorial /   Textual Documents 
NULL. 
 - 2 /   . 
 - NewYork :   Prentice Hall PTR ,   2000. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Informix Relational Database SQL 
<br/><br/><label>Dewey Class. No.: </label>005.7565  / INF-2