.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
Q178: What is the role of a database index?
Increase query speed
Decrease query speed
Encrypt data
Manage user roles
Handle transactions
Q179: Which type of database is Oracle?
Relational
Hierarchical
Network
Key-Value
Graph
Q180: Which isolation level prevents dirty reads but allows non-repeatable reads?
Read Uncommitted
Read Committed
Repeatable Read
Serializable
Snapshot
Latest News
Internal Auditor at Rwanda Women’s Network is a.
Feb 20, 2026
Internal Auditor at Rwanda Women’s Network is a.
Feb 20, 2026
Central Sterile And Supply Technicians (10) at The.
Feb 18, 2026
