From a3cc1db59be657de94efb38dd6d831050dca1efe Mon Sep 17 00:00:00 2001 From: zbzbzzz <42697182+zbzbzzz@users.noreply.github.com> Date: Thu, 16 Feb 2023 20:15:53 +0800 Subject: [PATCH] =?UTF-8?q?=E5=A4=9A=E4=BA=86=E4=B8=AA=E5=88=86=E5=8F=B7?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/database/mysql/mysql-index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/database/mysql/mysql-index.md b/docs/database/mysql/mysql-index.md index 2769da3f..c91f616b 100644 --- a/docs/database/mysql/mysql-index.md +++ b/docs/database/mysql/mysql-index.md @@ -280,7 +280,7 @@ SELECT id FROM table WHERE id=1; - 使用 `SELECT *` 进行查询; - 创建了组合索引,但查询条件未准守最左匹配原则; - 在索引列上进行计算、函数、类型转换等操作; -- 以 `%` 开头的 LIKE 查询比如 `like '%abc';`; +- 以 `%` 开头的 LIKE 查询比如 `like '%abc'`; - 查询条件中使用 or,且 or 的前后条件中有一个列没有索引,涉及的索引都不会被使用到; - 发生[隐式转换](https://javaguide.cn/database/mysql/index-invalidation-caused-by-implicit-conversion.html); - ......