Translation: Value assignment operator (: =) (submitted to the MariaDB official Manual), operator mariadb
This article is a translation of the value assignment operator (: =) in the mariadb official manual.
Original article: https://mariadb.com/kb/en/assignment-operator/Https://mariadb.com/kb/zh-cn/assignment-operator/ I submitted to the
Tags: mysql multi-instance mariadbFirst, Background introductionMARIADB Multi-instance is to open a number of different service ports on a single machine, running multiple MySQL service processes, through different sockets to listen to different service ports to provide their own, non-interference services, each instance can be isolated according to different configuration file settingsSecond, the Operation procedure1. Install mariadb (slightly)2. Ini
Connect to Mariadb and mariadb remotely
// This article describes how to connect to the Mariadb database on centos7.
// There is no difference with mysql
Package test. java. mysql; import java. SQL. connection; import java. SQL. driverManager; import java. SQL. SQLException; import java. SQL. statement; public class TestMysql {public static void main (String [] a
How to Upgrade MariaDB 5.5 to MariaDB 10.1 on Centos/rhel 7 and Debian Systems
Upgrade MariaDB 5.5 to MariaDB 10.1 on Rhel/centos 7
Reprinted from Https://www.tecmint.com/upgrade-mariadb-5-5-to-10-centos-rhel-debian-ubuntu/What ' s new
Few new features has b
transaction storage engine TOKUDB version. Percona also offers some of the enterprise-class MySQL OPS tools, such as Percona-toolkit, and InnoDB, xtradb hot Backup tool xtrabackup, Zabbix templates, and more.
MySQL is again lost: After Wikipedia, Google also migrated to MARIADB:Http://www.csdn.net/article/2013-09-16/2816944-google-mariadb-mysql-mi ...
The general advantages are as follows:Free commercial
MariaDB galera Cluster Deployment (How to quickly deploy MariaDB clusters) ONEAPM Blue ocean CyberLinkpublished on July 3
Recommended 4 Recommendations
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MariaDB, as a branch of Mysql, is already widely used in open source projects, such as hot OpenStack, so the cluster deployment is essential to ensure high
Install MariaDB and MySQL
MariaDB can be used to replace enhanced MySQL versions, but MariaDB can also be installed when MySQL is installed. (This makes sense. For example, you want to migrate data from one database/application to another database/application .)
The following describes how to install MariaDB when MySQL
Centos7: The correct command for installing mariadb, centos7mariadb
The centos7 System of linode is used, and mariadb is used by default when mysql is installed.
However, no matter whether you use the linode official website instructions or the basic installation method found by Baidu, the installation fails.
Always prompt this sentence:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket
=/usr/local/mysql \-DMYSQL_DATADIR=/data \-DSYSCONFDIR=/etc \-DWITHOUT_TOKUDB=1 \-DMYSQL_UNIX_ADDR=/tmp/mysql.sock \-DDEFAULT_CHARSET=utf8 \-DDEFAULT_COLLATION=utf8_general_ci
Parameter description:
-DCMAKE_INSTALL_PREFIX # specify the installation path
-DMYSQL_DATADIR # specify the data directory
-DSYSCONFDIR # specifies the directory where the database configuration file is located, which is generally stored in the/etc directory.
-DWITHOUT_TOKUDB # This parameter must be set. If it is set to 1
[TOC]MARIADB Installing 11.6 mariadb installation 1. Download the installation package to the Unified directory/usr/local/src/[[emailprotected] ~]# cd /usr/local/src/[[emailprotected] src]#wget https://downloads.mariadb.com/MariaDB/mariadb-10.2.6/bintar-linux-glibc_214-x86_64/maria
Compile and install MariaDB-10.0.20 under CentOS 6.6
System Environment: CentOS6.6 (Final)MariaDB port: 3309 (because MySQL is already installed on the local machine and you do not want to delete MySQL)
# Wget http://mariadb.nethub.com.hk//mariadb-10.0.20/source/mariadb-10.0.20.tar.gzCreate
Finally, I completed the login method when MariaDB and MySQL coexist. At that time, I knew that the installation was successful, that is, I could not log on to MariaDB. I would like to share my experiences with you.
Finally, I completed the login method when MariaDB and MySQL coexist. At that time, I knew that the installation was successful, that is, I could not
Configure mariadb slow query log Be sure to configure the full path (including file name) Otherwise you cannot restart mariadb (/usr/local/mysql/data/slow.log) The file path for the configuration mariadb Log audit can be without a filename, but this is not possible.
10:22:29 system Mariadb-prepare-db-dir:database
Method for separate login when MariaDB and MySQL coexist
Finally, I completed the login method when MariaDB and MySQL coexist. At that time, I knew that the installation was successful, that is, I could not log on to MariaDB. I would like to share my experiences with you.
Port Number logon method:
1. In CentOS7 Environment
1. Install Mysql5.6.19. After the instal
Tags: mariadb and mysql co-mariadb run concurrently with MySQL[[email protected] ~]#groupadd mariadb - g Wuyi3[email protected] ~]#useradd-u3 - g mariadb -s/sbin/nologin-d/home/mariadb mariadbDownload the binary installation package to the/root directory from
First, the use of methods
1, separate MySQL modeDocker run-d \-E Timezone=asia/shanghai \-V/DATA/MARIADB-MASTER:/DATA/MARIADB \-E mysql_root_password=lookback \-P 3,306:3,306 \mariadb:10.0.212, Mariadb MASTERDocker run-d \-E Timezone=asia/shanghai \-V/DATA/MARIADB-MASTER:/D
storage functions;
-- Triggers: Backup trigger
-- Master-data [= #]:
1: records the change master to statement. This statement is not commented out;
2: The record is a comment statement;
Note: MariadbSerious dependence on data recovery and bin-logLog, so to prevent data files and bin-log caused by disk failureThe file is lost together, so it is best to set the bin-logLogs are stored in shared storage.
Setting Method: Modify the Mariadb configurati
The server/client installation package for MySQL is available in CentOS 6 or earlier versions, but CentOS 7 has used MariaDB instead of the default MySQL. MARIADB database management System is a branch of MySQL, mainly by the open source community in the maintenance, the use of GPL licensing MARIADB is fully compatible with MySQL, including the API and command li
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