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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
Q967: In Oracle, which process writes modified blocks from buffer cache to data files?
SMON
DBWR
LGWR
CKPT
PMON
Q968: Which of these is a NoSQL database?
PostgreSQL
MongoDB
MySQL
Oracle
SQL Server
Q969: 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
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