What is a database?
A database system is basically just a computerized record-keeping system.
What is enterprise
An enterprise might be a single individual with a small personal database, or a complete corporation or similar large body with a large shared database, or anything in between. Here are some examples:
- A manufacturing company
- A bank
- A hospital
- A university
- A government department
A variety of operations involving such files
√ adding new files to the database
√ inserting data into existing files
√ retrieving data from existing files
√ deleting data from existing files
√ changing data in existing files
√ removing existing files from the database
Benefits of the Database Approach
◊ The data can be shared
◊ Redundancy can be reduced
◊ Inconsistency can be avoided
◊ Transaction support can be provided
◊ Integrity can be maintained
◊ Security can be enforced
◊ Conflicting requirements can be balanced
◊ Standareds can be enforced
DBMS Syllabus for GATE, UGCNET, NIELIT, DSSSB etc.
- Database System Concepts and Architecture
- Data Models, Schemas, and Instances
- Three-Schema Architecture and Data Independence
- Data Modelling
- Entity-Relationship Diagram
- Relational Model
- Constraints
- Languages
- Design and Programming
- Relational Database Schemas
- Functional Dependencies and Normalization
- SQL
- Data Definition and Data Types
- Constraints
- Queries
- Insert, Delete, and Update Statements
- Transaction Process
- Concurrency Control Techniques
- Database Recovery Techniques
%20|%20Overview%20|%20Syllabus%20|%20Book){kind=link}