Databse - Eduguru - Page 4

MySQL Cluster

What is the best way to reduce the size of ibdata in mysql?

August 10, 2014April 8, 2016 eduguru 0 Comments best way to reduce the size of ibdata in mysql, ibdata, innodb, learn mysql, MySQL, mysql innodb, mysql learn, mysql tutorial, reduce the size of innoDB tables, reducr size of innoDB, size of innoDB table, What is the best way to reduce the size of ibdata in mysql?

The busiest file in the InnoDB infrastructure is /var/lib/mysql/ibdata1 This file normally houses many classes of information (when innodb_file_per_table is 0) Table

MySQL Cluster

Set Up MySQL Master-Master Replication

August 9, 2014February 9, 2016 eduguru 0 Comments How to Set Up MySQL Master-Master Replication, MySQL Master-Master Replication, Set Up MySQL Master-Master Replication

Here we will help you to set up Master-Master replication between MySQL servers. In this setup if any changes made

Maximum concurrent connections to MySQL

August 4, 2014August 4, 2014 eduguru 0 Comments Maximum concurrent connections to MySQL

remove duplicate mysql table

August 4, 2014 eduguru 0 Comments Delete Duplicate rows from Mysql table and Kept only one row, How do I delete all the duplicate records in a MySQL table, How to delete duplicate rows in mysql using a single query, How to remove duplicate rows in mysql without using temporary table ., MySQL Handling Duplicates, Painless Removal of Duplicate Database Rows in MySQL, Remove duplicate entries from mysql table, remove duplicate mysql table, Remove Duplicate Rows from MySQL Table, Remove Duplicate Rows in MySQL, Remove duplicate rows mysql and leave one

ALTER IGNORE TABLE `cdr` ADD UNIQUE(`uniqueid`)

How to convert all tables from MyISAM into InnoDB?

August 2, 2014 eduguru 0 Comments but you can change it by using the --default-storage-engine server startup option, How to convert all tables from MyISAM into InnoDB?, If you omit the ENGINE option, or by setting the default-storage-engine option in the my.cnf configuration file. You may also want to change the default storage engine just for the current session. You can do this by setting the st, the default storage engine is used. Normally, this is MyISAM

If you omit the ENGINE option, the default storage engine is used. Normally, this is MyISAM, but you can change it by

MySQL Cluster

innodb vs myisam : comparision of mysql database engines

August 2, 2014June 2, 2015 eduguru 2 Comments comparision of mysql database engines, data and indexes in diskspace using separate three different files. (tablename.FRM, Difference between InnoDB and MyISAM?, difference between MyISAM and InnoDB, if the table is more static with lots of select and less update and delete. INNODB: InnoDB supports Row-level Locking InnoDB designed for maximum performance when processing high volume of data InnoDB, innodb vs myisam :, innodb vs myisam : comparision of mysql database engines, MyISAM versus InnoDB, MYISAM: MYISAM supports Table-level Locking MyISAM designed for need of speed MyISAM does not support foreign keys hence we call MySQL with MYISAM is DBMS MyISAM stores its tables, tablename.MYD, tablename.MYI) MYISAM not supports transaction. You cannot commit and rollback with MYISAM. Once you issue a command it’s done. MYISAM supports fulltext search You can use MyISAM, What are the main differences between InnoDB and MyISAM?., What's the difference between MyISAM and InnoDB?

MYISAM: MYISAM supports Table-level Locking MyISAM designed for need of speed MyISAM does not support foreign keys hence we call

Databse info mysql

mysql database replication : How To Step by Step: master -slave replication

July 31, 2014October 13, 2014 eduguru 0 Comments database replication, easy step to mysql replication, master slave replication, my sql database replication : How To Step by Step, my sql master slave replication, mysql master slave replication, mysql replication, mysql replication how to, mysql replication step by step

Here we will help you to setup master-slave replication between MySQL servers. Setup Details: Master Server: 10.0.10.12 Slave Server: 10.0.10.18

phpmyadmin

Databse linux mysql

phpmyadmin access denied for ip centos : give phpmyadmin access to ip

July 27, 2014August 4, 2015 eduguru 0 Comments phpmyadmin access denied for ip centos : give phpmyadmin access to ip, phpmyadmin Forbidden, To enable your system to give you the login prompt please do the following: Please login to your system using putty(or anyof your favourite ssh client) go to : [root@yourserver]# vi /etc/httpd/conf.d/, You don't have permission to access /phpmyadmin on this server.

To enable your system to give you the login prompt please do the following: Please login to your system using

JOINs in MySQL and Other Relational Databases

July 15, 2014 eduguru 0 Comments course.name FROM `user` INNER JOIN `course` on user.course = course.id; LEFT JOIN SQL LEFT JOIN What if we require a list of all students and their courses even if they’re not enrolled on one? A LEFT , course.name FROM `user` LEFT JOIN `course` on user.course = course.id UNION SELECT user.name, course.name FROM `user` LEFT JOIN `course` on user.course = course.id; RIGHT JOIN SQL RIGHT JOIN Perhaps we require a list all courses and students even if no one has been enrolled? A RIGHT JOIN produ, course.name FROM `user` RIGHT JOIN `course` on user.course = course.id;, course.name FROM `user` RIGHT JOIN `course` on user.course = course.id; OUTER JOIN (or FULL OUTER JOIN) SQL FULL OUTER JOIN Our last option is the OUTER JOIN which returns all records in both tables r, different types of joins in sql, e.g. SELECT user.name, i.e. all users who are enrolled on a course: SELECT user.name, INNER JOIN (or just JOIN) SQL INNER JOIN The most frequently used clause is INNER JOIN. This produces a set of records which match in both the user and course tables, JOINs in MySQL and Other Relational Databases, LEFT or RIGHT and it’s not implemented in MySQL. However, mysql database joins, the missing side will contain NULL. OUTER JOIN is less useful than INNER, what is joins in database, you can work around this restriction using the UNION of a LEFT and RIGHT JOIN

INNER JOIN (or just JOIN) The most frequently used clause is INNER JOIN. This produces a set of records which

Asterisk Databse mysql

ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib /mysql/mysql.sock’ (2)

June 10, 2014February 24, 2016 eduguru 0 Comments [SOLVED] CentOS 6.5 - MySQL Daemon failed to start., 000 results (0.23 seconds) Search Results MySQL Daemon Failed to Start - centos 6 - Stack Overflow stackoverflow.com/questions/.../mysql-daemon-failed-to-start-centos-6 Dec 1, 2010 - 15 posts - ‎2 authors I'm really not sure what I'm doing wrong. I'm attempting to start mysql Code: [root@bebop-test /]# /etc/init.d/mysqld restart Stopping mysqld: [ OK ] MySQL Daemon failed t, 2013 - [root@sacroiliac log]# service mysqld start MySQL Daemon failed to start. Starting mysqld: [FAILED] [root@sacroiliac log]# service mysql start ... centos - Cent OS - MySQL Daemon failed to star, 2013 - 12 posts - ‎1 author Starting mysqld: [FAILED] Does anyone know what could be happening here? How to repeat: Run a yum update -y on a centos 6.4, 2013 - EDIT: Look at the checkmarked answer comments to get your issue .... The most likely cause for this error is that your mysql server is not running. You've visited this page 2 times. Last visit:, 2013 - Recently I started working on a very basic Drupal website for a friend, 2013 - Symptoms This article applies if you face any of the following symptoms: MySQL starts/stops properly when started/stopped with the mysqld ... startup - mysql server start failed - Ask Ubuntu as, 2014 - 10 posts - ‎2 authors 140115 17:21:35 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql ... chcon: failed to change context of `mysql' to ... MySQL Daemon Failed to Start af, 2014 - But mysqld.sock file doesn't exist inside /var/run/mysqld folder. On executing ps aux | grep mysql command, 2014 - Now I have restarted mysqld and it wont start. It has just stopped. I really need to get this up and running now. Its highly urgent for me. Below is ... Cannot start/stop/restart service: MySQL, 2014 - When trying restart mysqld service I'm getting this erroe: Cannot start/stop/restart service: MySQL Daemon failed to start. Anybody have idea ... MySQL Daemon failed to start. | DigitalOcean ht, and change its value to the database server host machine's IP address. For me, by doing that it sadly seems that it has overloaded mysql. Can it really be ... MySQL Daemon failed to start. - LinuxQuestions.org www.linuxquestions.org › Forums › Linux Forums › Linux - Software Nov, Can't connect to local MySQL server through socket, check the ... rhel - Problem Starting MySQL on new Centos 6 build - Unix ... unix.stackexchange.com/.../problem-starting-mysql-on-new-centos-6-bui... Dec 10, ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib /mysql/mysql.sock' (2), I realized that mysql server was not ... MySQL Bugs: #71086: Starting Mysql service on CentOS6.5 bugs.mysql.com/bug.php?id=71086 Dec 5, I tried the following steps: Log in as super user or use sudo Open /etc/mysql/my.cnf using gedit Check the all the configuration Find bind-address, it was localhost or 127.0.0.1 Save and close the file. Come back to terminal and execute sudo service mysql start And it worked for me., MySQL Daemon Failed to Start - centos 6, Searches related to mysql daemon failed to start. mysql daemon failed to start. starting mysqld failed mysql daemon failed to start. starting mysqld mysql daemon failed to start. starting mysqld cento

I tried the following steps: Log in as super user or use sudo Open /etc/mysql/my.cnf using gedit Check the all