Ullman, Jeffrey D. <br/><br/>
Principles of database systems / 
By Jeffrey O Ullman. 
 - 2nd ed. 
 - New Delhi :  Galgotia Publications Pvt Ltd. ,  1984 . 
 - vii, 484p. ;  PB  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Introduction to database system concepts<br/>Physical data organization<br/>Network model and the DBTG proposal<br/>Hierarchical model<br/>Relational query languages<br/>Query optimization
<br/><br/><label>Dewey Class. No.: </label>005.74   / ULLJ