Date, C. J. <br/><br/>
SQL and relational theory :  how to write accurate SQL code / 
C. J. Date. 
 - 1st ed. 
 - Beijing :  SPD,  2009. 
 - xix, 419 p. 
<br/><br/><label>ISBN: </label>8184046936 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SQL (computer program language)