Many times, we step away from the PC but forget to lock our Windows computer and. This is the time when others can steal your sensitive data. It could happen in an office, a public place, or your home ...

作者：贾特特，MySQL DBA 从业者，公众号『数据库运维札记』作者，目前任职于某游戏公司担任DBA工程师 本文约 2000 字，预计阅读需要 8 分钟。 MySQL的锁也是不少，在哪种情况下会连查询都能被阻塞？这是一个有意思的问题。 工作中，很多开发和 DBA 可能接触 ...

It is not uncommon that a single SQL statement such as a SELECT statement includes sub-SQL SELECT statements, or sub-queries, that generate a sub-result set within the top-level statement. If these ...

公司某个业务是视频会议方向的，在执行业务的自动化测试的过程中，发现会出现偶发性的创建会议失败的问题。查看业务 ...

Make sure you have setup XAMPP stack in your system. The following guide explains how to setup XAMPP stack in Linux. Alternatively, you can use the LAMP or LEMP stacks which provides both PHP and ...

mysql> \W Show warnings enabled. mysql> CREATE TABLE t1 (id int primary key); Query OK, 0 rows affected (0.01 sec) mysql> LOCK TABLE t1 WRITE; Query OK, 0 rows affected, 1 warning (0.00 sec) Warning ...