Notes on DBMS
All notes of DBMS as per syllabus of Purbanchal Unviversity, Nepal BE 4th sem !!
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Unit 1
1.1 Basic Definitions
1.2 Objectives of DBMS
1.3 Need of DBMS
1.4 Data Abst. Indep.
1.5 Schema and Instances
1.6 Three Schema Approach
1.7 DBA and Users
1.8 DBMS Languages
Ad. and Disad. of DBMS
Types of databases
History of Database System
Database Applications
Arch. of DBMS
Structure of DBMS
Unit 2
Data Models
Conceptual,Logical and Physical Model
Hierarchical, Network and Relational Model
Object Based and ER MODEL
ER Model in detail
Attributes and Types
Entity and Types
Components of ER
ER into Relation
Database Keys
Unit 6
Importance of DB Security
Levels of Security
Data Security Requirement
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