TY  - BOOK
AU  - C.J.DATE
TI  - DATABASE SYSTEMS
SN  - 8178082314
U1  - DAT/INT 
PY  - 2000///
CY  - DELHI
PB  - PEARSON EDUCATION
KW  - AN INTRODUCTION TO SQL
KW  - RELATIONAL ALGEBRA
KW  - RELATIONAL CALCULUS
ER  -