TY  - BOOK
AU  - Ullman, Jeffrey D.
TI  - A First Course in Database Systems
SN  - 9788131715352
U1  - 005.73 ULL 
PY  - 2011///
CY  - New Delhi
PB  - Pearson
KW  - Computer Science
KW  - Database Systems
KW  - Worlds of Database Systems
KW  - Relational Data Model
ER  -