GitHub

regardless of bugs, doubts, requirements, source code, competitors

The core of AnyLine is a runtime-oriented dynamic metadata mapping system that is compatible with over 100 relational and non-relational databases. It is often used as the underlying support for ...
GitHub

-- Host: 123.206.215.203 Database: interest_test

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; /*!40101 SET ...
搜狐

慢SQL优化5大思路+10个案例

如何定位慢SQL呢、我们可以通过慢查询日志来查看慢SQL。默认的情况下呢，MySQL数据库是不开启慢查询日志（slow query log）呢。所以我们需要手动把它打开。 查看下慢查询日志配置，我们可以使用show variables like 'slow_query_log%'命令，如下： slow query log表示慢查询 ...
itpub.net

帮忙优化下SQL语句.

有一条查询语句查询某个code是否在start_no与end_no范围内,创建了start_no与end_no的联合索引,查询起来比较慢,执行计划如下,请各位DX帮忙看看有什么办法可以优化下,谢谢!