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What is the default size of ‘max_binlog_cache_size’ system variable?(a) 1 GB(b) 2 GB(c) 4 GB(d) 8 GBThe question was posed to me in an online quiz.This intriguing question comes from Using Backups for Data Recovery in division Database Maintenance, Backups and Replication of MySQL

Answer»

Right option is (c) 4 GB

Explanation: The max_binlog_cache_size SYSTEM variable can be used to restrict the total size used to CACHE a multiple-statement TRANSACTION. If transaction is LARGER than this it fails and ROLLS back.



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