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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
Q559: What does ACID stand for in databases?
Atomicity, Consistency, Isolation, Durability
Accuracy, Control, Integrity, Distribution
Access, Consistency, Integration, Durability
Atomicity, Concurrency, Isolation, Data
Accuracy, Completeness, Integrity, Durability
Q560: Which SQL feature ensures multiple transactions do not interfere?
Indexing
Partitioning
Concurrency Control
Replication
Archiving
Q561: In Oracle, which process writes modified blocks from buffer cache to data files?
SMON
DBWR
LGWR
CKPT
PMON
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