本周MySQL verified的bug列表(11月1日至11月7日) 1.Bug #70839JSON_VALID allows to have two elements with the same key URL:http://bugs.mysql.com/bug.php?id=70839 备注: 5.7及以后的版本支持json的一些函数,这个bug描述在json中存在重复的key时,json_valid仍返回true. 2.Bug #70823Extended keys d…
今天碰到一个很奇怪的问题,关于exists的, 第一个语句如下: SELECT ) FROM APPLY t WHERE EXISTS ( SELECT r.APPLY_ID FROM RECORD r WHERE t.APPLY_ID = r.APPLY_ID ); 产生的结果是:89584 第二个语句如下: SELECT ) FROM APPLY t WHERE EXISTS ( SELECT max(r.FINISH_TIME) FROM RECORD r WHERE t.APPLY_ID…
LAST UPDATE: 1 Dec 15, 2016 APPLIES TO: 1 2 3 4 Oracle Database - Enterprise Edition - Version 7.0.16.0 and later Oracle Database - Standard Edition - Version 7.0.16.0 and later Oracle Database - Personal Edition - Version 7.1.4.0 and later I…
写了一个Windows服务,通过C#模拟网站用户登录并爬取BUG列表查询有没有新的BUG,并提醒我 1.HttpUtil工具类,用于模拟用户登录以及爬取网页: using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Text; using System.Threading; namespace Utils { /// <su…
1. Bug #72215 When LOCK_plugin conflicts very much, one uninstall-audit-plugin operation crash http://bugs.mysql.com/bug.php?id=72215 2. Bug #72217 When uninstall a audit plugin, there is a warning info which is not correct http://bugs.mysql.co…
原文链接 (https://dev.mysql.com/doc/refman/5.7/en/backup-policy.html) 正文 To be useful, backups must be scheduled regularly. A full backup (a snapshot of the data at a point in time) can be done in MySQL with several tools. For example, MySQL Enterprise B…
This chapter lists the errors that may appear when you call MySQL from any host language. The first list displays server error messages. The second list displays client program messages. Server error information comes from the following files: The Er…