https://blog.youkuaiyun.com/liguo886zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/liguo886/article/details/137209357https://blog.youkuaiyun.com/liguo886/article/details/137209357liguo886Mon, 01 Apr 2024 23:35:25 +0800https://blog.youkuaiyun.com/liguo886/article/details/137126839https://blog.youkuaiyun.com/liguo886/article/details/137126839liguo886Thu, 28 Mar 2024 22:47:53 +0800https://blog.youkuaiyun.com/liguo886/article/details/137126641https://blog.youkuaiyun.com/liguo886/article/details/137126641liguo886Thu, 28 Mar 2024 22:45:34 +0800https://blog.youkuaiyun.com/liguo886/article/details/137116366https://blog.youkuaiyun.com/liguo886/article/details/137116366liguo886Thu, 28 Mar 2024 22:28:42 +0800https://blog.youkuaiyun.com/liguo886/article/details/137064379https://blog.youkuaiyun.com/liguo886/article/details/137064379liguo886Wed, 27 Mar 2024 08:46:29 +0800https://blog.youkuaiyun.com/liguo886/article/details/135855806https://blog.youkuaiyun.com/liguo886/article/details/135855806liguo886Thu, 25 Jan 2024 23:36:41 +0800https://blog.youkuaiyun.com/liguo886/article/details/135763164https://blog.youkuaiyun.com/liguo886/article/details/135763164liguo886Tue, 23 Jan 2024 09:31:38 +080010时就不会走索引。4.联合索引中未使用最左侧索引字段，比如联合索引包含字段（name,age）,我们只根据age字段进行匹配不会走索引。1.对索引字段使用左或者两侧模糊匹配时索引失效（使用右模糊匹配可以走索引）5.OR条件有一侧条件字段未使用索引。]]>https://blog.youkuaiyun.com/liguo886/article/details/135757409https://blog.youkuaiyun.com/liguo886/article/details/135757409liguo886Tue, 23 Jan 2024 09:09:01 +0800https://blog.youkuaiyun.com/liguo886/article/details/131522717https://blog.youkuaiyun.com/liguo886/article/details/131522717liguo886Sat, 20 Jan 2024 23:08:03 +0800https://blog.youkuaiyun.com/liguo886/article/details/135678475https://blog.youkuaiyun.com/liguo886/article/details/135678475liguo886Fri, 19 Jan 2024 00:00:07 +0800https://blog.youkuaiyun.com/liguo886/article/details/135659835https://blog.youkuaiyun.com/liguo886/article/details/135659835liguo886Thu, 18 Jan 2024 00:01:51 +0800https://blog.youkuaiyun.com/liguo886/article/details/135658548https://blog.youkuaiyun.com/liguo886/article/details/135658548liguo886Wed, 17 Jan 2024 19:30:20 +0800https://blog.youkuaiyun.com/liguo886/article/details/135634151https://blog.youkuaiyun.com/liguo886/article/details/135634151liguo886Wed, 17 Jan 2024 00:01:44 +0800https://blog.youkuaiyun.com/liguo886/article/details/135613359https://blog.youkuaiyun.com/liguo886/article/details/135613359liguo886Mon, 15 Jan 2024 23:45:26 +0800https://blog.youkuaiyun.com/liguo886/article/details/135577782https://blog.youkuaiyun.com/liguo886/article/details/135577782liguo886Sun, 14 Jan 2024 23:34:22 +0800https://blog.youkuaiyun.com/liguo886/article/details/135548939https://blog.youkuaiyun.com/liguo886/article/details/135548939liguo886Sat, 13 Jan 2024 01:02:26 +0800https://blog.youkuaiyun.com/liguo886/article/details/135517705https://blog.youkuaiyun.com/liguo886/article/details/135517705liguo886Thu, 11 Jan 2024 09:23:11 +0800https://blog.youkuaiyun.com/liguo886/article/details/135492223https://blog.youkuaiyun.com/liguo886/article/details/135492223liguo886Wed, 10 Jan 2024 10:20:12 +0800https://blog.youkuaiyun.com/liguo886/article/details/135491901https://blog.youkuaiyun.com/liguo886/article/details/135491901liguo886Tue, 09 Jan 2024 23:21:33 +0800https://blog.youkuaiyun.com/liguo886/article/details/135491346https://blog.youkuaiyun.com/liguo886/article/details/135491346liguo886Tue, 09 Jan 2024 22:29:40 +0800