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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
Q955: In Oracle, which process writes modified blocks from buffer cache to data files?
SMON
DBWR
LGWR
CKPT
PMON
Q956: Which SQL feature ensures multiple transactions do not interfere?
Indexing
Partitioning
Concurrency Control
Replication
Archiving
Q957: What is the default port number for MySQL?
1521
3306
5432
8080
1433
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