TY  - BOOK
AU  - Date, C. J.
TI  - An Introduction To Database System
SN  - 8178082314
U1  - 005 .74 
PY  - 2001///
CY  - USA: 
PB  - Addison Wesley publishing , 
KW  - Computer Science
KW  - Database Management
KW  - Relational  Database
KW  - Semantic Modeling
ER  -