A database management system (DBMS) helps in organizing, controlling, and managing data. It aims to reduce data redundancy and improve access time. It also aims to provide appropriate security for sensitive data.
Advantages of database management
The following are some of the advantages of using DBMS:
- Centralized data management reduces the cost, time, and effort it takes to manage data.
- It helps in improving database performance by reducing data redundancy.
- It helps in improving the efficiency of transaction processing.
- It ensures data consistency.
- It provides security for sensitive data.
- Various checks and controls in DBMSes ensure data integrity.
- A DBMS provides a structured way to manage user access.
Database structures
It is important to understand various database structures to evaluate database risks. CISA aspirants should understand the following database models.
Hierarchical database model
Let's try to understand the hierarchical...
