mariadb json

Install MariaDB in RHEL 7 and mariadb in rhel 7 Start with RedHat Enterprise Linux 7, and the self-contained database on the system disk is MariaDB. The installation steps are as follows: 1. Mount the installation disk image:Mount/dev/cdrom/mnt 2. Create a yum Source:Cat>/etc/yum. repos. d/d. repo [D] Baseurl = file: // mnt EOF 3. Import key:Yum -- import/mnt/R

MARIADB multi-source Replication (mariadb Multi-master replication)Multi-master replication is added to the mariadb-10.0. Modified syntax:there is a corresponding connection_name for each replication thread, and Connection_Name is the value of the default_master_connection variable, if you want to manipulate the corresponding replication thread, This variable ne

first, the basic knowledgeThe importance of data is needless to say, it should be emphasized that the backup is not the purpose, can recover is the purpose, the following mariadb some concepts to explain.1. Classification of storage enginesMariadb5.1 later versions, by default using the InnoDB storage engine that supports transactions, the previous MyISAM storage engine does not support transactions, and the so-called transactional storage engine must

Mariadb introduction, mariadb Transaction: organizes multiple operations into one whole. They are either executed in full or not rolled back or rollback. SQL interface: SQL statement analyzer and optimizer Table: Splits a dataset into multiple Constraint: constraint, rules to be followed for data inserted into a data table Primary Key: a combination of one or more fields. Fill in the data in the primary ke

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 mariadbI. Introduction of MARIADBMARIADB is a relational database program that MySQL was re-developed by the original author after being acquired by Oracle, and because it is the same author, it is very similar to MySQL in operation, and the versions correspond to each other. such as: MariaDB5.5 corresponds to the 5.5 version of MySQL, but the corresponding version of the mariadb from Mysql5.6 to become more than 10, such as: MariaDB10.1 c

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

MariaDB binary installation, mariadb binary Download the binary installation package wget http://mirrors.neusoft.edu.cn/mariadb//mariadb-10.2.12/bintar-linux-x86_64/mariadb-10.2.12-linux-x86_64.tar.gz Create a mysql user and group useradd -r mysql -s /sbin/nologin Decompres

MariaDB multi-instance and MariaDB instance1. Install MariaDB in yum and start yum install MariaDB-serversystemctl start mariadb.service 2. Create a directory by case and set the owner Group Store configuration files and databases by case mkdir -pv /mysqldb/{3306,3307,3308}/{etc,socket,pid,log,data} Set directory own

Translation: SET clause (submitted to the MariaDB official Manual), clause mariadb This document is the description of the SET in the mariadb official manual. Original article: https://mariadb.com/kb/en/set/Https://mariadb.com/kb/zh-cn/set/ I submitted to the MariaDB official manualSyntax SET variable_assignment [, var

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

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

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

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

[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