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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
Q562: Which recovery model in SQL Server minimally logs operations?
Full
Bulk-logged
Simple
Incremental
Differential
Q563: What does ACID stand for in databases?
Atomicity, Consistency, Isolation, Durability
Accuracy, Control, Integrity, Distribution
Access, Consistency, Integration, Durability
Atomicity, Concurrency, Isolation, Data
Accuracy, Completeness, Integrity, Durability
Q564: What is the main disadvantage of database sharding?
Improves scalability
Increases latency
Simplifies design
Reduces cost
Enhances security
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