MySQL 5.5.13
Mysql无法启动：Unknown/unsupported storage engine: InnoDB
解决办法:
更改数据库默认引擎为myisam,在第一行添加
default-storage-engine=MyISAM
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skip-innodb / skip-bdb / skip-locking
skip-bdb已经废除
skip-locking改成skip-external-locking
skip-innodb改成loose-skip-innodb
