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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ![](https://img.kancloud.cn/40/8a/408a1ab33684fdd20cf10f415394eff1_721x275.png)![](https://img.kancloud.cn/56/dd/56dd0fbc365b6e37310877badc57d26c_447x186.png) ![](https://img.kancloud.cn/bf/e3/bfe30a6f8a3c21ddf8de9ef7008fbeaa_541x266.png) ![](https://img.kancloud.cn/32/64/32648b94f337733a6e726bbdc51da1f7_495x93.png) # InnoDB和MyISAM的區別 1. i支持事物,M不支持 2. i支持外鍵,M不支持 3. i是聚集索引(B+樹),M是非聚集索引 4. i不保存表的具體行數,m保存集體的行數的 5. i5.7之前不支持全文索引 之后支持了,M支持全文索引 6. i有行(默認),表級鎖 m是只有表鎖 7. i必須有主鍵, 8. i支持奔潰后的安全恢復, m不支持 9. Innodb存儲文件有frm、ibd,而Myisam是frm、MYD、MYI Innodb:frm是表定義文件,ibd是數據文件 Myisam:frm是表定義文件,myd是數據文件,myi是索引文件 [https://blog.csdn.net/qq\_35642036/article/details/82820178](https://blog.csdn.net/qq_35642036/article/details/82820178) [https://www.cnblogs.com/y-rong/p/8110596.html](https://www.cnblogs.com/y-rong/p/8110596.html) [https://www.cnblogs.com/y-rong/p/8110596.html](https://www.cnblogs.com/y-rong/p/8110596.html)
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