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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
Q82: What is the main disadvantage of database sharding?
Improves scalability
Increases latency
Simplifies design
Reduces cost
Enhances security
Q83: Which type of database is Oracle?
Relational
Hierarchical
Network
Key-Value
Graph
Q84: Which SQL command is used to retrieve data from a database?
SELECT
INSERT
DELETE
UPDATE
ALTER
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