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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
Q43: What is the default port number for MySQL?
1521
3306
5432
8080
1433
Q44: Which isolation level prevents dirty reads but allows non-repeatable reads?
Read Uncommitted
Read Committed
Repeatable Read
Serializable
Snapshot
Q45: Which type of database is Oracle?
Relational
Hierarchical
Network
Key-Value
Graph
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