TY  - BOOK
AU  - ullman,Jeffrey D.
AU  - Widom,Jennifer  .
TI  - A first course in database systems / 
SN  - 8178083035
U1  - 005.74 
PY  - 1997///(rep.2001)
CY  - New Delhi : 
PB  - Pearson Education Asia , 
KW  - DATABASES
N1  - Includes index
ER  -