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What is the main purpose of concurrency control in a DBMS?
What is the main purpose of concurrency control in a DBMS?
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Practice Questions
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Q1
What is the main purpose of concurrency control in a DBMS?
To prevent data loss
To ensure data consistency
To speed up data retrieval
To manage user permissions
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The main purpose of concurrency control in a DBMS is to ensure data consistency when multiple transactions are executed simultaneously.
Questions & Step-by-step Solutions
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Q
Q: What is the main purpose of concurrency control in a DBMS?
Solution:
The main purpose of concurrency control in a DBMS is to ensure data consistency when multiple transactions are executed simultaneously.
Steps: 5
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Step 1: Understand that a DBMS (Database Management System) allows multiple users to access the database at the same time.
Step 2: Recognize that when many users are working on the database, they might try to change the same data at the same time.
Step 3: Realize that if two users change the same data simultaneously, it can lead to errors or inconsistent data.
Step 4: Learn that concurrency control is a method used by the DBMS to manage these simultaneous transactions.
Step 5: Know that the main goal of concurrency control is to keep the data accurate and consistent, even when many transactions happen at once.
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