Pratt, Philip J.,  1945- <br/><br/>
A guide to SQL / 
Philip J. Pratt. 
 - 5th ed. 
 - Cambridge, Mass. :  Course Technology,  2001. 
 - xi, 260 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0619033827  RM156.58 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SQL (Computer program language).<br/>Programming languages (Electronic computers).<br/>Query languages (Computer science).