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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
Q595: Which isolation level prevents dirty reads but allows non-repeatable reads?
Read Uncommitted
Read Committed
Repeatable Read
Serializable
Snapshot
Q596: Which backup type captures only changes since the last full backup?
Full
Differential
Incremental
Transaction Log
Mirror
Q597: What is the default port number for MySQL?
1521
3306
5432
8080
1433
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