Pascal, Fabian. <br/><br/>
Understanding relational databases with examples in SQL-92 / 

 - United States ;  Canada :  John Wiley & Sons Inc.,  c1993. 
 - xxii, 278 pages :  Illustrations ; 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471585386 (paper) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relational databases.<br/>SQL (Computer program language)
<br/><br/><label>LC Class. No.: </label>QA 76.9  / PAS