TY  - BOOK
AU  - date, c.j.
AU  - date, c.j.
TI  - an introduction to database systems  
SN  - 978-81-775-8556-8
U1  - 005.74 dat-dat 
PY  - 2009///
CY  - new delhi
PB  -  pearson education
KW  - information technology, database systems, database, relational model
N2  - Available
ER  -