Navicat连接MySQL Server8.0版本时出现Client does not support authentication protocol requested by server;解决如下:命令如下:1、use mysql;2、alter user 'root'@'localhost' identified with mysql_native_password by 'root';3、flush privileges;4、ww fhadmin org;...【阅读全文】
环境:OS:centos 6db:5.6.401.修改/etc/init.d/mysqld文件,默认文件以及存在,该文件内容如下:#!/bin/sh# Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB# This file is public domain and comes with NO WARRANTY of any kind# MySQL ...【阅读全文】
CREATE OR REPLACE FUNCTION "public"."cursor_demo"() RETURNS "pg_catalog"."int4" AS $BODY$ declare cursor_data refcursor; t_accid int;begin open cu...【阅读全文】
博客文章除注明转载外,均为原创。转载请注明出处。本文链接地址:http://blog.chinaunix.net/uid-31396856-id-5787793.html1、介绍 MySQL 8.0实现了直方图的统计。数据字典表column_statistics储存了相关列值的直方图统计信息,提供列数据分布情况,以用于优化器构建查询执行计划。执行ANALYZE TAB...【阅读全文】
方法一:[root@db01 ~]# mysql 登录的时候会显示数据库的版本 Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.34-log Source distributi...【阅读全文】