MySQL MyISAM vs Innodb


  • Not *ACID compliant and non-transactional
  • MySQL 5.0 Default Engine
  • Offers Compression
  • Requires full repair/rebuild of indexes/tables
  • Changed Db pages written to disk instantly
  • No ordering in storage of data
  • Table level locking


  • *ACID compliant and hence fully transactional with ROLLBACK and COMMIT and support for Foreign Keys
  • Rackspace Cloud Default Engine
  • Offers Compression
  • Auto recovery from crash via replay of logs
  • Dirty pages converted from random to sequential before commit and flush to disk
  • Row data stored in pages in PK order
  • Row level locking

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