mariadb mac

)modifier :All types are used:Not NULL, non-null constraintDefault value, setting defaultsPRIMARY Key, PRIMARY keyUnique keyNumeric use:UNSIGNED, unsigned, or positiveAuto_increment, self-increment fieldDatabase operation statements:To Create a database :CREATE database| SCHEMA [IF not EXISTS] ' db_name ';Cases:MariaDB [(None)]> CREATE DATABASE IF not EXISTS mydb; This command has the effect of creating a new database named MyDB if the MyDB database does not existTo Delete a database :DROP datab

The previous article introduced the OpenStack component RABBITMQ high availability, and now introduces another important component of MySQL high availability.I am this time select MySQL version is mariadb, cluster method is Galera cluster multi-master cluster.In fact, there are many other solutions, such as PXC, MHA and so on, the choice of Galera is easy to install, use and maintenance is convenient, multi-master mode any one node can be seen in the

Today, the MySQL database needs to be used in the test environment, so I quickly deployed the MARIADB using the Yum installation method. The Linux system version used is CentOS 7.x.After the installation, I naturally use the MySQL command to log in, because it is the initial installation of the environment, the results of an error:[[email protected] ~]# Mysqlerror 1045 (28000): Access denied for user ' root ' @ ' localhost ' (using Password:no)The fir

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/87/07/wKioL1fSCLzh4YFiAAA_6rVAeUs190.png "width=" 300 " height= "208" alt= "Wkiol1fsclzh4yfiaaa_6rvaeus190.png"/>Installation EnvironmentSystem: CentOS 6.8 x86_64Software: MariaDB 10.1.16Node One: 192.168.11.132 4C 8GBNode two: 192.168.11.133 4C 8GBSoftware acquisitionAfter accessing the MARIADB Enterprise Edition https://mariadb.com/my_portal/downl

Centos7 cannot start the problem after mariaDB is installed using yum. centos7mariadb Centos7's built-in MySQL image has abandoned Oracle's MySQL. Instead, use the MySQL Branch database mariaDB and install mariadb as follows: [Plain] view plain copy Yum install mariadb Run the systemctl start

Tags: unit disabled isa mkdir turn off enable thread led linux6MARIADB as a replacement for MySQL now the new version of the CentOS package has been replaced with mariadb, just like the previous one. Change to SystemdInstall some librariesYum Install GCC GCC wget Net-toolsTo view the SELinux status:/usr/sbin/sestatus-v The #如果SELinux status parameter is enabled;If it is off, you can skipModify the/etc/selinux/config fileViChange Selinux=enforcing to

Tags: upgrade PHP-FPM recommended multiple services three-party website program file rootIn general, upgrading a production environment is not recommended and will stop LNMP related services after the upgrade begins.This article applies only to LNMP1.2, 1.3 and 1.4 later versions!In LNMP currently LNMP v1.2/1.3+ version has included Nginx, MYSQL/MARIADB, PHP, phpmyadmin upgrade script, can help build the environment of the program to upgrade. (Note: T

Tags: data variable admin ant upd file Enter Maria will1. Start mariadbSystemctl Start mariadb2. Set Boot mariadbSystemctl Enable MARIADBFirst, change the user password, take root as an example1. Know the root password, need to modifyMethod A. Log into the database to modify # mysql-uroot-p/* Enter password to enter */ /* First way: Edit database Fields directly */ MariaDB [(none)]> use MySQL;

Tags: display based on ADB selection DDR gen average max ExtInsert Inserts DataHeads-Up record insertionINSERT into Tb_name (col1,col2,...) VALUES (Val1,val2,...);Example:INSERT INTO tablename (Field 1 name, field 2 name,......) VALUES (Field 1 value, field 2 value,...)MariaDB [testdb]> INSERT Students (Id,name,ages,gender) VALUES (1, ' Tom ', +, ' M '); MariaDB [testdb]> INSERT Students (name,ages,gender)

For MySQL Percona mariadb three have their own audit plugin, but, MySQL audit plugin is only Enterprise version, but also have a lot of third-party MySQL audit plugin, and Percona and MARIADB are GPL audit pluginFirst look at the MARIADB audit plugin[[Emailprotected]_aolens_01/usr/local/mysql]#mysql-uroot-p2aa263a42dd248welcome tothemariadbmonitor.commandsendwith

[Email protected] mysql5.6.34]# RPM-IVH mysql-server-5.6.34-1.el7.x86_64.rpmWarning:mysql-server-5.6.34-1.el7.x86_64.rpm:header V3 dsa/sha1 Signature, key ID 5072e1f5:nokeyPreparing ... ################################# [100%]File/usr/share/mysql/charsets/readme from install of mysql-server-5.6.34-1.el7.x86_64 conflicts with file from package m Ariadb-libs-1:5.5.44-2.el7.centos.x86_64File/usr/share/mysql/czech/errmsg.sys from install of mysql-server-5.6.34-1.el7.x86_64 conflicts with file from p

Centos6.5 build a php environment (nginx + mariadb + php7) and centosng.pdf. Centos6.5: set up a php environment (nginx + mariadb + php7), centosnginxphp, and write bolg for the first time. what's wrong. mariaDbvimetcyum. repos Centos 6.5 php environment (nginx + mariadb + php7), centosng.pdf I wrote bolg for the first time in a php dish. what's wrong? 1.

Since MySQL was acquired by Oracle, the community has been worried that MySQL may be closed to the source or some other cause of MySQL support problems. So now a lot of release versions default databases are transferred from MySQL to MARIADB. And the community is also starting to support MARIADB, plus the use of mariadb and the API and MySQL exactly the same, so

binary log file contains records of all changes to the database, data, and structure, and how long each statement has been executed. Binary log files include a series of log files and an index file. This means that the main SQL statements, such as CREATE, ALTER, INSERT, UPDATE, and DELETE, will be placed in this log file, and the statements such as SELECT will not be recorded, they can be recorded to common queries. log File. In simple terms, Ibdata1 is a file that includes all tables and all d

15 useful MySQL/MariaDB performance tuning and Optimization Techniques MySQL is a powerful open-source Relational Database Management System (RDBMS ). It was released in 1995 (20 years ago ). It uses Structured Query Language (SQL), which may be the most popular choice in database content management. The latest MySQL version is 5.6.25, which was released on July 25, May 29, 2015. An interesting fact about MySQL is that its name comes from Michael Wide

I have been using mariadb for a while. The common commands and syntaxes have not changed. A little more complex, such as replication, does not find any difference in root mysql.However, there are actually some differences today. mariadb's permission management root mysql is different. mysql can create an account with the same root account permissions, but mariadb