Database Indexes and Locks Quiz

What is the primary purpose of using locks for concurrency control in database indexes?

• To speed up index creation

• To prevent data corruption

• To facilitate data encryption

• To enforce primary key constraints

In a database, what type of lock allows multiple transactions to read the same indexed data simultaneously without conflicts?

• Exclusive lock

• Shared lock

• Read lock

• Write lock

How does implementing locks in indexes affect database performance?

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What scenario is a potential drawback of using locks for concurrency control in indexes?

• Improved data consistency

• Deadlocks

• Increased data security

• Reduced database size

In the context of database indexes, what does a write lock typically prevent?

• Reading data

• Updating data

• Creating indexes

• Deleting indexes