Here we will help you to set up Master-Master replication between MySQL servers. In this setup if any changes made on either server will update on an other one. Setup Details: Master-1: 10.0.10.12 Master-2: 10.0.10.18 Database: empmaster Step 1. Set Up MySQL Master-1 Server Edit MySQL configuration file and add the following lines under [mysqld] section. Restart … Read more
ALTER IGNORE TABLE `cdr` ADD UNIQUE(`uniqueid`)
If you omit the ENGINE option, the default storage engine is used. Normally, this is MyISAM, but you can change it by using the –default-storage-engine server startup 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 storage_engine variable: SET storage_engine=INNODB; … Read more
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, data and indexes in diskspace using separate three different files. (tablename.FRM, tablename.MYD, tablename.MYI) MYISAM not supports transaction. You cannot commit and rollback with MYISAM. Once you … Read more
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 Database: empmaster 1. Setup MySQL Master Server Create an mysql account on Master server with REPLICATION SLAVE privileges to which replication client will connect to master. Block write statement on all the tables, so not … Read more
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/phpMyAdmin.conf look for Allow the IP here .
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, and change its value to the database server host machine’s IP address. For me, it was localhost or 127.0.0.1 Save and close the file. Come back to terminal and execute sudo … Read more
How to Install MySQL on CentOS 6.4 su to root install mysql and mysql-server download and install all dependencies done start mysql start mysql at startup