:Http://mirrors.ustc.edu.cn/mariadb/mariadb-10.0.19/source/mariadb-10.0.19.tar.gzbecause with cmake, This line can be installed .Yum Install CMakedownloaded the tar.gz file to the specified directory tar-zxvf XXX.tar.gzGo to the installation directory[Email protected]]$ pwd/app/mysql/mariadb-10.0.19 Create the follo
Tags: BSP OCA load nload script server sys har HiveFirst, install and use MARIADB as the storage database for Ambari, Hive, Hue. Yum Install mariadb-server mariadb Start, view status, check if MARIADB is installed successfully Systemctl start mariadb
systemctl status
)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
First, install
ApacheServer
install httpd
Second, install PHP and common software packages
yum install php httpd-manual mod_ssl mod_perl mod_auth_mysqlyum install php-gd php-xml php-mbstring php-ldap php-pear php-xmlrpcyum install mysql-connector-odbc mysql-devel libdbi-dbd-mysql
Third, install MARIADB
install
Iv. Start the service
start httpd.servicesystemctl start mariadb.service
Five, if the fourth succeeds, set up two services to start automatica
Tags: ams min struct logs location process IDE exec NECUnder CentOS7, the official MySQL RPM package is mariadb and can be viewed MARIADB package information [Email protected] ~]$RPM- qi mariadb # requires first installing the package NAME:MARIADB # name Epoch:1Version:5.5.52 # VersionRelease:1. EL7 # Release ARCHITECTURE:X86_64 # supports installed CPU architec
Master and Slave server time to synchronize, the database version is best consistent, so as to avoid the function of processing, log read, log parsing and other anomalies.
The following three master-slave replication settings are independent.
Notice the impact of firewalls and selinux.
1, simple master-slave replication implementation
(1) configuration of the primary server
1) Installation Mariadb-server
[root@localhost ~]# yum -y install
1. software environment: CentOS6.5x64MariaDB5.5.362, installation process 1) Create the MariaDB. repo file in the etcyum. repos. d directory. The content is as follows: # MariaD
1. software environment: CentOS 6.5 x64MariaDB 5.5.36 2. Installation Process 1) Create the MariaDB. repo file in the/etc/yum. repos. d/directory. The content is as follows: # MariaD
1. software environment:CentOS 6.5x64MariaDB
Tags: lnmp centos7.2Recently there is a Erp+php-web test page environment deployment needs, need to deploy nginx+php cgi+socket mode, MySQL environment. To see if the service port is up, we are accustomed to using the netstat command to view it, so if you do not have Netstat installed in your system, you can install the Yum install-y net-tools directlyLab Environment:Linux version: CentOS 7.2Nginx Version: nginx-1.10.1PHP Version: php-5.6.5MySQL version: Mar
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
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