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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
Q469: What is the default port number for MySQL?
1521
3306
5432
8080
1433
Q470: What is the role of a database index?
Increase query speed
Decrease query speed
Encrypt data
Manage user roles
Handle transactions
Q471: Which backup type captures only changes since the last full backup?
Full
Differential
Incremental
Transaction Log
Mirror
