Ullman, Jeffrey D.. <br/><br/>
Principles of database systems /  
Jeffrey D. Ullman. 
 - 2nd ed /   . 
 - New Delhi :   Galgotia Publishers ,   1998. 
 - vii,484p. :   ills.,fig. ;   24cm .  
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<br/><br/><label>ISBN: </label> Rs.176.00 (Pbk) 
<br/><br/><label>Subjects--Index Terms: </label>DATABASE SYSTEMS 
<br/><br/><label>Dewey Class. No.: </label>005.74  / ULL/P