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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
Q850: Which SQL command is used to retrieve data from a database?
SELECT
INSERT
DELETE
UPDATE
ALTER
Q851: Which backup type captures only changes since the last full backup?
Full
Differential
Incremental
Transaction Log
Mirror
Q852: What is the role of a database index?
Increase query speed
Decrease query speed
Encrypt data
Manage user roles
Handle transactions
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