partial table dump using mysqldump

There are times when you only want to take partial dump of a mysql table. You can use mysqldump command with one extra option “–where”. You will have to provide your where clause (partial dump condition) in the “–” where option.

Below is the command to take a partial dump of a table.

mysqldump -u [username] -p  [databasename] [mytablename] --where  " mycolumn = 'somevalue' " > filename.sql

Related Posts:
1. MySQL dump in XML format.
2. MySQL general query logs.

Developer gets honest

 

Install Go 1.8 on Fedora / Ubuntu

You can follow below steps to install Go 1.8 on Fedora / Ubuntu. (It should work for other Linux distribution as well but it is only tested for Ubuntu / Fedora).

Step 1:

Download the Go 1.8 bundle by clicking here.

Step 2:

Extract the downloaded bundle using below command,

tar -C /usr/local -xzf go1.8.linux-amd64.tar.gz 

Step 3:

Add below to your to your path variable, you can add this to either of bash_profile or /etc/profile.

export PATH=$PATH:/usr/local/go/bin

Reload the configuration & GO will be available to use.

 

Mysql Dump in XML format

To take dump in XML format you have to provide an extra option in default mysqldump command. This can be useful in cases where you want to migrate your MySQL database to some other database.

You can use below command to take MySQL Database dump in XML format.


mysqldump --xml -u[username] -p[password] [db_name] > filename.xml

or


mysqldump -X -u[username] -p[password] [db_name] > filename.xml

For example if you have a database test_database with an username as root and password as mypassword the command to take dump will be,


mysqldump --xml -u root -p mypassword test_database > filename.xml