Harrington, Jan L. <br/><br/>
SQL clearly explained / 
Jan L. Harrington. 
 - San Diego :  AP Professional,  1998. 
 - 279 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>012326426X  RM160.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SQL (Computer program language).