TY  - GEN
AU  - Ullman , Jeffrey D.
AU  - Widom , Jennifer
TI  - A first course in database systems
SN  - 0138613370
U1  - 005.74 
PY  - 2002///
CY  - New Delhi
PB  - Prentice Hall
KW  - DATABASE MANAGEMENT
KW  - COMPUTER SCIENCES
KW  - DATABASES
ER  -