TY  - BOOK
AU  - Ullman,Jeffrey D.
TI  - Principles of Database Systems
SN  -  978-8175155459
U1  - 005.74 
PY  - 2006///
CY  - New Delhi
PB  - Galgotia
KW  - Computer Programing, programs, data
KW  - Data files and Databases
ER  -