Database

16/06/2016

MySQL Query Profiling

You can profile a query by doing following:mysql> SET SESSION profiling = 1; mysql> USE database_name; mysql> SELECT * FROM ...
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How To Use MySQL Query Profiling

IntroductionMySQL query profiling is a useful technique when trying to analyze the overall performance of a database driven application. When ...
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Using MySQLTuner to Optimize MySQL

Tweaking MySQL is something you need to do regularly. Unlike PHP & Nginx tweaking, this is not a set & ...
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How To Optimize WordPress Performance With MySQL Replication On Ubuntu 14.04

IntroductionIn this tutorial, we will teach you how to scale up your WordPress MySQL database server setup using master-slave database ...
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How to log in to MySQL server without password

In order to log in to a MySQL server, you can run mysql command along with your login credentials and ...
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How To Use ProxySQL as a Load Balancer for MySQL on Ubuntu 16.04

Introduction ProxySQL is an open-source MySQL proxy server, meaning it serves as an intermediary between a MySQL server and the ...
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MySQL Cluster Replication: Multi-Master and Circular Replication

Beginning with MySQL 5.1.18, it is possible to use MySQL Cluster in multi-master replication, including circular replication between a number ...
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mysqldump: Copy Database Using Shell Pipes

Source: nixCraft How do I use mysqldump command with Unix shell pipes? The mysqldump client is a backup program which ...
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Check The Number Of MySQL Open Database Connections on Linux Or Unix-like Server

Source: nixCraft I'm a new MySQL server user. My server is running on a CentOS Linux. How can I check ...
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Monitor your MySql replication database

You have configured your MySql replication, next step is to perform maintenance and monitor your replication. Percona Toolkit for MySQL ...
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Un cluster DRBD / MySQL avec Heartbeat sur Debian 7

Source: denisrosenkranz.com Nous avons vu précédement comment mettre un place un Cluster Apache actif/passif avec DRBD et HeartBeat. Dans ce ...
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Heartbeat/mysql: Bascule esclave/maitre

Nous sommes dans la situation où il faut redémarrer le serveur maitreconnection ssh sur les deux serveurs:sur le maitre #ssh ...
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PHP MySQL Benchmark Tool (PMBT v. 0.2)

Source: Reasons Unbeknownst The old saying “Need is the father of innovation” (or something like that) held true this weekend. I ...
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Vous avez perdu le mot de passe root de MySQL ?

Que ce soit lors de la première installation ou après la perte du mot de passe principal de MySQL, il ...
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Requête SQL pour trouver les doublons d’une table MySQL

Comment trouver les doublons d’une table avec une requête SQL dans une base de données MySQL ? Pour vérifier la ...
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MySQL – Monitorer le port 3306

Pour faire le monitoring du port 3306 sous Linux il suffit d'utiliser la commande : tcpdump -i eth0 -nN -vvv ...
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