Native access rights:Mysql> GRANT All privileges on * * to ' username ' @ ' localhost ' identified by ' password ';Remote access permissions:Mysql> GRANT All privileges on * * to ' username ' @ '% ' identified by ' password ';FLUSH privileges;Add
Modifications to the authorization table using GRANT, REVOKE, or set password are immediately noticed by the server.If you manually modify the authorization table (using INSERT, UPDATE, and so on), you should execute a flush privileges statement or
How the MySQL Privilege system worksthe MySQL privilege system is certified through the following two phases:(1) authenticating the user to theconnection, the legitimate user passes the authentication, the illegal user refuses the connection;(2) to
MySQL user consists of user and host name, using ' user ' @ ' hosst ' to indicate that MySQL user and permission information is stored in MySQL libraryMySQL database table:User #用户账号, global permissionsDB #库级别权限Host #主机Tables_priv #表级别权限Colums_priv #
Statement: The material used in this column is written by the VIP students of the Kay Academy, who has the right to be anonymous and has the final right to interpret the article; The Edith Academy is designed to promote students to learn from each
Often met with netizens in the QQ group or forum on the question of MySQL permissions, today to summarize about the use of MySQL in the past few years on the MySQL database Rights management experience, but also hope to use the MySQL users help!I.
1. Curriculum ReviewMySQL Basics1) MySQL storage structure: Data SQL statements, tables, database2) Management database:Add: Create database default character UTF8;Delete: Drop database;Modified: ALTER DATABASE default character GBK;Query: Show
Learning content:1. Rights Management:The simple understanding of MySQL permissions is that MySQL allows you to do things within your rights and not to cross the border. For example, if you are only allowed to perform a select operation, you cannot
OneLinux system installation MySQL Ubuntu installed on MySQL is very simple and requires just a few commands to complete.1. sudo apt-get install Mysql-server2. Apt-get Isntall mysql-client3. sudo apt-get install Libmysqlclient-devDuring installation,
http://634871.blog.51cto.com/624871/1325914 first remove the system's own Mysqlrpm-qa | grep mysql rpm-e mysql//normal Delete mode rpm--NODEPS-E mysql-libs-5.1.71//Brute force Delete mode, if you use the above command to delete, prompt to have other
Many netizens asked questions about the failure to log on to the MySQL server, including the failure to log on to the MySQL database server when MySQL is called in PHP. It is actually a problem of MySQL permissions.
The MySQL permission system is a
For a detailed tutorial on installing Mysql5.7.19 on Centos7 in Linux, centos7mysql5.7.19
1. Download mysql
Web: https://dev.mysql.com/downloads/mysql/
2. Select the source code package and click to download the general version.
You can download
Experimental System: CentOS6.6 _ x86_64 prerequisites: Prepare the compiling environment in advance. Firewall and selinux both disable the experiment. Note: There are two hosts in this experiment, and IP Address Allocation is similar to
User permission management create USER command: CREATEUSER
USER permission management create user command: CREATE USER
User permission management
Create user
Command: create user 'username' @ 'host' identified by 'Password
MySQL 5.1 installed through yum in CentOS6.5 is old, so you want to install the higher version 5.6.20 through the source code.
MySQL 6.5 installed through yum in CentOS 5.1 is old, so I want to install the later version 5.6.20 through the source
Source installation mysql-5.6.30 and MySQL maintenance
Overview:
In CentOS 6.4, the installation of MySQL via Yum is version 5.1, older, so you want to install the high version of 5.6.30 via source code.
Body:
One: Uninstall the old version
Use the
Compile and install MySQL 5.6.20 in CentOS 6.5
Overview:MySQL 6.5 installed through yum in CentOS 5.1 is old, so I want to install the later version 5.6.20 through the source code.
Body:I. Uninstall the old versionRun the following command to check
Mysql master-slave and master-slave replication configuration demonstration, mysql master-slave
Experimental System: CentOS 6.6 _ x86_64
Prerequisites: Prepare the compiling environment in advance, and disable both firewall and selinux.
Tutorial
4 Correlation query ( Multi-table Query )
--************** second, related query (multi-table query)****************------ demand: Query employees and their departments ( Show employee name, department name )--2.1 Cross connect query
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