.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
Q145: Which of these is a NoSQL database?
PostgreSQL
MongoDB
MySQL
Oracle
SQL Server
Q146: Which isolation level prevents dirty reads but allows non-repeatable reads?
Read Uncommitted
Read Committed
Repeatable Read
Serializable
Snapshot
Q147: Which type of database is Oracle?
Relational
Hierarchical
Network
Key-Value
Graph
Latest News
Internal Auditor at Rwanda Women’s Network is a.
Feb 20, 2026
Central Sterile And Supply Technicians (10) at The.
Feb 18, 2026
