.png)
Database Administrator (DBA)
Database Administrator (DBA) is an IT professional responsible for managing, maintaining, and securing an organization's databases to ensure data is reliable, efficient, and accessible to authorized users
Quiz Questions
Q880: Which backup type captures only changes since the last full backup?
Full
Differential
Incremental
Transaction Log
Mirror
Q881: What is the role of a database index?
Increase query speed
Decrease query speed
Encrypt data
Manage user roles
Handle transactions
Q882: What is the main disadvantage of database sharding?
Improves scalability
Increases latency
Simplifies design
Reduces cost
Enhances security
Latest News
Associate Grants Officer at AGRA is an African-led.
May 19, 2026
Operational & Conduct Compliance Specialist at The.
May 19, 2026
