How to setup a database for your website on ubuntu server
http://www.debuntu.org/how-to-create-a-mysql-database-and-set-privileges-to-a-user
http://www.debuntu.org/how-to-create-a-mysql-database-and-set-privileges-to-a-user
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`, 'original_string', 'replace_string')