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lookatme

lookatme

V2EX member #325061, joined on 2018-06-27 15:43:16 +08:00
lookatme's recent replies
Mar 27, 2019
Replied to a topic by poplar50 程序员 刚看见了个有意思的网站
已经 3800+star 了
最终没有加限制,只做了 qps 监控
Mar 22, 2019
Replied to a topic by bokchoys 问与答 数据库字段多少会影响速度吗
插入操作必然会慢,查询到话,走索引的话基本无差别,走全表查就凉凉了
Mar 22, 2019
Replied to a topic by zw1one 问与答 业务逻辑是放在 Java 好还是放在 sql 好?
题目里都带上 java 了,那基本上会遇到的所有场景都不应该把逻辑放在 sql 里
Jul 19, 2018
Replied to a topic by jowan MySQL 请教 MySQL 查询统计性能问题
总共才 650w,cid=4 都有 300w,用索引反而没有全表遍历快
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