Stephens, Ryan K., et al. <br/><br/>
Teach yourself SQL in 21 days   
by Ryan K Stephens, et al 
 - 2nd ed. 
 - New Delhi  Techmedia  1997 
 - xxviii, 586p 
<br/><br/><label>ISBN: </label>8187105666 
<br/><br/><label>Dewey Class. No.: </label>005.7565  / N97