What is the purpose of concurrency control in a DBMS?

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Question: What is the purpose of concurrency control in a DBMS?

Options:

Correct Answer: To ensure data integrity during simultaneous transactions

Solution:

Concurrency control ensures data integrity when multiple transactions occur simultaneously in a database.

What is the purpose of concurrency control in a DBMS?

What is the purpose of concurrency control in a DBMS?

Correct Answer: Concurrency control ensures data integrity.

Step 1: Understand that a DBMS (Database Management System) is used to manage data in a database.
Step 2: Know that a transaction is a sequence of operations performed as a single logical unit of work.
Step 3: Realize that multiple transactions can happen at the same time, which is called concurrency.
Step 4: Understand that when transactions run at the same time, they can interfere with each other.
Step 5: Learn that concurrency control is a method used to prevent this interference.
Step 6: Know that the main goal of concurrency control is to maintain data integrity, ensuring that the data remains accurate and consistent.
Step 7: Conclude that without concurrency control, the database could end up with incorrect or corrupted data.

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