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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
Q247: 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
Q248: Which SQL clause is used to filter results?
WHERE
FROM
GROUP BY
ORDER BY
JOIN
Q249: Which type of database is Oracle?
Relational
Hierarchical
Network
Key-Value
Graph
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