TY  - BOOK
AU  - Date, C. J.
TI  - An Intrduction to Database system
T2  - The System Programme
SN  - 9812359834
U1  - 001.6 
PY  - 1999///
CY  - USA: 
PB  - Addison Wesley publishing , 
KW  -  Data protection
KW  - Computer Science
KW  - Database Design
KW  - Relational Database
ER  -