MySQL Replication Quiz

MySQL Replication Topology

• MySQL replication commonly utilizes a master-slave topology.
• In this setup, the master server processes write operations, while slave servers replicate the master's data and handle read queries.

Function of the Master Server

• The master server is responsible for writing data and handling all data modifications.
• It records changes to the binary log, which serves as a transaction log for replication.

Role of the Slave Server

• The slave server replicates the master server's binary log and applies changes to its own database.
• It provides a way to balance load by handling read queries, improving application performance.

MySQL Statement Group

• A group of MySQL statements executed together is known as a transaction.
• Transactions ensure data integrity and allow for rollback in case of errors.

Result of a MySQL Transaction

• Upon successful completion, a MySQL transaction permanently saves changes to the database.
• If a transaction fails, the system can roll back to the last committed state, maintaining consistency.

Purpose of a MySQL Statement Group

• The primary purpose is to ensure that a series of operations either complete fully or not at all, maintaining data integrity.
• Transactions are critical in scenarios where multiple related changes must succeed together, such as transferring funds in banking systems.