Database Administrator (DBA)

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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