Which is the log in which data changes received from a replication master server are written?(a) error log(b) general query log(c) binary log(d) relay logThe question was posed to me during an interview.The origin of the question is Copying Databases to Another Server topic in chapter Database Maintenance, Backups and Replication of MySQL

Which is the log in which data changes received from a replication mas

1.	Which is the log in which data changes received from a replication master server are written?(a) error log(b) general query log(c) binary log(d) relay logThe question was posed to me during an interview.The origin of the question is Copying Databases to Another Server topic in chapter Database Maintenance, Backups and Replication of MySQL
Answer» Right ANSWER is (d) relay log Explanation: The Relay Log has the data changes RECEIVED from a replication MASTER server written in it. The problems encountered during the starting, running or stopping of ‘MYSQLD’ is written in error log.

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