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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
Q199: Which SQL feature ensures multiple transactions do not interfere?
Indexing
Partitioning
Concurrency Control
Replication
Archiving
Q200: What is a clustered index?
Index storing copy of data
Index that defines sort order of rows
Index that compresses data
Index for foreign keys
Temporary index
Q201: Which backup type captures only changes since the last full backup?
Full
Differential
Incremental
Transaction Log
Mirror
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