TY  - GEN
AU  - Ullman ,  Jeffrey D.
TI  - Principles of database systems
U1  - 005.74 
CY  - New Delhi
PB  - Galgotia Publication PvT
KW  - DATABASE DESIGN
KW  - DATA FILES
KW  - DATABASE MANAGEMENT SYSTEM
KW  - DBMS
KW  - COMPUTER SCIENCE
ER  -