TY  - BOOK
AU  - Groff,James R  .
AU  - Weinberg,Paul N  .
TI  - Lan Times Guide to SQL / 
U1  - 005.7565S 
PY  - 1994///
CY  - New Delhi : 
PB  - Tata Mc Graw Hill Publishing Company , 
KW  - Relational Database S
ER  -