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What is the role of a transaction manager in a distributed database?

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Question: What is the role of a transaction manager in a distributed database?

Options:

  1. To manage data replication
  2. To ensure ACID properties across distributed transactions
  3. To handle user authentication
  4. To optimize query performance

Correct Answer: To ensure ACID properties across distributed transactions

Solution: 

The transaction manager in a distributed database ensures that ACID properties (Atomicity, Consistency, Isolation, Durability) are maintained across distributed transactions.

What is the role of a transaction manager in a distributed database?

Practice Questions

Q1
What is the role of a transaction manager in a distributed database?
  1. To manage data replication
  2. To ensure ACID properties across distributed transactions
  3. To handle user authentication
  4. To optimize query performance

Questions & Step-by-Step Solutions

What is the role of a transaction manager in a distributed database?
Correct Answer: Transaction manager ka role hai ACID properties ko maintain karna.
  • Step 1: Understand that a distributed database is a system where data is stored across multiple locations or servers.
  • Step 2: Know that a transaction is a sequence of operations that are treated as a single unit of work.
  • Step 3: Learn about ACID properties: Atomicity (all or nothing), Consistency (data remains valid), Isolation (transactions do not interfere), and Durability (once completed, transactions are permanent).
  • Step 4: Recognize that the transaction manager is responsible for making sure these ACID properties are followed when transactions happen across different locations.
  • Step 5: Understand that the transaction manager coordinates the actions of different servers to ensure that all parts of a transaction are completed successfully or none at all.
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