MySQL

MySQL
MySQL how To – show open database connections
May 15, 2016
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MySQL how To – show open database connections
MySQL Current Connection Query Information You can show MySQL open database connections (and other MySQL database parameters) using the MySQL show status command, like this: mysql> show status like 'Conn%'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | Connections | 8 | +---------------+-------+ 1 row in set (0.00 sec) mysql> show status like '%onn%'; +--------------------------+-------+ […]
Commands Linux CentOS MySQL
Linux How to Find Files based on the File Size
May 13, 2016
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If you want to search all the files that are more than 100MB in your linux server /var folder, type thee below command: # find /var -type f -size +100M To Know which directories are taking most spaces of the hard disk, type the below command in your Linux Console: # du -a /var | […]
Linux CentOS MySQL
MySQL: ERROR 1129 (HY000) Host 'Crowder' is blocked because of many connection errors
May 13, 2016
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Type the below command in Linux Console Mode: # mysqladmin flush-hosts
MySQL
MySQL Command — Replace, Append command
February 5, 2016
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To append a text after the content for a column: UPDATE `articles` SET introtext= concat(introtext, ‘</div>’);   To add a text before the content for a column: UPDATE `articles` SET introtext= concat(‘<hr class=”system-pagebreak” /><div style=”display:none;”>’,introtext);   To replace text in the content for a column: UPDATE `articles` SET introtext = REPLACE(introtext, ‘<hr class=”system-pagebreak” />’, ‘</div><hr […]
MySQL
Restore Database from backup SQL file
November 6, 2014
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MySQL
Taking Backup of MySQL DB
November 6, 2014
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