数据库innodb区别的相关内容

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文章 2023-11-09 来自：开发者社区

InnoDBMyISAM⽀持事务处理不⽀持事务，回滚将造成不完全回滚，不具有原⼦性⽀持外键不⽀持外键⽀持⾏锁⽀持全⽂搜索不⽀持FULLTEXT类型的索引（在Mysql5.6已引⼊）不保存表的具体⾏数，扫描表来计算有多少⾏保存表的具体⾏数,不带where时，直接返回保存的⾏数对于AUTO_INCREMENT类型的字段，必须包含只有该字段的索引DELETE 表时，是⼀⾏⼀⾏的删除DELETE 表时，....

阿里云文档 2023-09-03

触发器和规则系统规则vs触发器有哪些区别？_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

许多触发器可以干的事情同样也可以用PostgreSQL规则系统来实现。目前不能用规则来实现的东西之一是某些约束，特别是外键。可以放置一个合格的规则在一列上，这个规则在列的值没有出现在另一个表中时把命令重写成NOTHING。但是这样做数据就会被不声不响地丢弃，因此也不是一个好主意。如果要求检查值的有效性，并且在出现无效值的情况下应该生成一个错误消息，这种需求就必须要用触发器来完成。

文章 2022-01-10 来自：开发者社区

数据库面试题【七、InnoDB索引和MyISAM索引的区别】

一是主索引的区别，InnoDB的数据文件本身就是索引文件。而MyISAM的索引和数据是分开的。二是辅助索引的区别：InnoDB的辅助索引data域存储相应记录主

文章 2021-12-27 来自：开发者社区

数据库引擎InnoDB与MyISAM区别

MySQL的数据表的类型 :MyISAM与InnoDB的区别：MyISAM是MySQL的默认数据库引擎(5.5版之前)。虽然性能极佳，而且提供了大量的特性,包括全文索引、压缩、空间函数等，但MyISAM不支持事务和行级锁，而且最大的缺陷就是崩溃后无法安全恢复。不过，5.5版本之后，MySQL引入了InnoDB(事务性数据库引擎)，MySQL5.5版本后默认的存储引擎为InnODB。两者的对比：1....

问答 2021-12-12 来自：开发者社区

MySQL数据库中MyISAM和InnoDB的区别有哪些？

问答 2021-12-08 来自：开发者社区

MySQL数据库中MyISAM和InnoDB的区别是什么？

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更新时间 2025-09-04 10:30:50

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