Gruber, Martin. <br/><br/>
Understanding sql / 
By Martin Gruber. 
 - 1st ed. 
 - New Delhi :  BPB Publications ,  1995. 
 - xxvi, 484p. ;  23.5 cm.  HB 
<br/><br/><label>ISBN: </label>8170296447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Using sql to retrieve information from tables<br/>Querying multiple tables at once<br/>Formatting query output<br/>Summarizing data with aggregate functions<br/>Joining a table to itself<br/>sing the exists operator<br/>Using the union clause
<br/><br/><label>Dewey Class. No.: </label>005.7402   / GRUM