Pratt, Philip J. <br/><br/>
A guide to SQL / 
Philip J. Pratt 
 - 7th ed. 
 - Boston :  Thomson Course Technology,  2005 
 - 294 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0619216743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SQL (Computer program language)