TY  - GEN
AU  - Negi, R. S 
TI  - A textbook of database mangement system
SN  - 9789382126638
U1  - 005.74 
PY  - 2015///
CY  - New Delhi
PB  - Astha publishers and distributors
KW  - Database
KW  - Multi-level security
KW  - Management
KW  - Role of DBMS
N1  - It Includes bibliographical references and index
ER  -