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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
Q115: What is the default port number for MySQL?
1521
3306
5432
8080
1433
Q116: What is the main disadvantage of database sharding?
Improves scalability
Increases latency
Simplifies design
Reduces cost
Enhances security
Q117: Which SQL clause is used to filter results?
WHERE
FROM
GROUP BY
ORDER BY
JOIN
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