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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
Q946: Which type of database is Oracle?
Relational
Hierarchical
Network
Key-Value
Graph
Q947: What is the default port number for MySQL?
1521
3306
5432
8080
1433
Q948: Which SQL feature ensures multiple transactions do not interfere?
Indexing
Partitioning
Concurrency Control
Replication
Archiving
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