TY  - GEN
AU  - Connolly, Thomas 
AU  - Begg, Carolyn 
TI  - Database systems/ 4th ed
U1  - 681.31.01 
PY  - 2013///
CY  - New Delhi
PB  - Pearson
KW  - Database systems
KW  - 681.31.01
ER  -