MySQL

# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm# RPM-IVH mysql-community-release-el7-5.noarch.rpm# yum Install Mysql-community-serverRestart MySQL service after successful installation# Service Mysqld RestartThe initial

To back up the MySQL database script:#!/bin/bash# description:mysql buckup shell script# author:lmj# Web Site:http://www.cnblogs.com/dscode St=$(Date+%s) USER="Root"# User name password="Root"# Password Database="Myblogdb"# Database Mail="[email

1005: Failed to create table1006: Failed to create database1007: Database already exists, database creation failed1008: Database does not exist, delete database failed1009: Unable to delete database file causes database failure to be deleted1010:

Query operation for MySQLSingle-table query: Simple queryMulti-table query: Connection queryFederated queriesBoolean conditional expression operator= equivalent comparison : Comparison with null value does not produce the equivalent of additional

This script paste can be used absolutely no deceptive!!!(This script originates from a great god netizen)Execution effect:Script:#!/bin/bash[Email protected]Mysqladmin-p3306-uroot-p$pw-r-I 1 ext |\Awk-f "|" \"Begin{count=0;}" \' {if ($

One, create the user:Command: CREATE USER ' username ' @ ' host ' identified by ' password ';Description: Username-the user name that you will create, host-Specifies which host the user can log on to, if localhost is available to local users, you

SQL Classification DDLDDL:data definition LanguageIt is primarily used to define and maintain the various operands of the database, such as libraries, tables, indexes, viewsIt can also be said that the level of operation is in the database and the

1. Go to the official website to download the. zip format file.2. Unzip to a folder, here I use D:\MYSQL to express3. Create a new My.ini configuration file under D:\MySql\mysql-5.7.17-winx64Yellow background color of the place need to replace their

Description According to the needs of the business, from the perspective of reasonable use of hardware resources, production database to prepare some of the business running many instances, in the process of testing encountered a small problem,

Deploy MySQL on a Linux system, use the version Mysql-5.6.34-1.rhel5.x86_64.rpm-bundle.tar, unzip the Linux system, install the following two files in the unzip file:(The main installation of these two

1.order by sortMysql> SELECT * from Xin the order by ID;+------+----------+| ID | name |+------+----------+| 1 | Lilie || 2 | Tianjin || 3 | Shanghai |+------+----------+2. In ascending orderMysql> SELECT * from Xin ORDER by ID ASC;+------+----------

Add MySQL from libraryMySQL Master slave replication server 1 master 1 from, now to add a MySQL from the server, require the main library cannot stop the service, previously due to not the server on the line, you can execute the flush tables with

(-1) write in frontThe data of this essay is used in Http://blog.csdn.net/friendan/article/details/8072668#comments , and there are some common Select query exercises. I'm using it. MySQL the command line that comes with it(1) Data MatchingStudent

Connect to a remote Linux databaseMysql-hip-u User name-p passwordmysql-h192.168.1.180-uroot-p123456What databases are listedshow databases;Create a databaseCreate DATABASE xxx;Switch databaseUse XXX database;List all tables in the databaseShow

Long time no write, have forgotten the blog, while now still in the company, write something is verified, not at home by memory write, the correct rate has security, say said recently encountered one thing.Previously used Oracle database, this

1.MySQL Introduction:(1)        MySQL is an associated database management system that keeps data in separate tables rather than putting all of the data in a large warehouse, which increases speed and increases flexibility. (2) The SQL language used

File:Apache:first modify the Apache configuration file, let Apache support parsing php files. Apache configuration files are httpd.conf in the Conf directory of the Apache installation directory. 1. Allow Apache to parse the PHP file and locate it

Data backup　　1. Backup with mysqldump commandThe mysqldump command backs up the data in the database into a text file. The structure of the table and the data in the table are stored in the generated text file.The mysqldump command works very simply.

Today again committed two, incredibly the copy of MySQL to forget, also drunk, summed up MySQL master and slave:The company's DB01-FK (172.33.4.155) machine is out of the question and needs to be replaced by a new machine. MySQL on this machine is

Centos compilation and installation of mysql, centos compilation of mysql Groupadd mysql # Add a mysql GroupUseradd-g mysql-s/sbin/nologin mysql # create a user mysql and add it to the mysql group. mysql users are not allowed to log on to the system