MySQL Export From Remote Server Through Terminal – Ubuntu

mysqldump from remote server

 mysqldump -P3306  -h192.168.20.151 -uroot -p database > /home/manager/Downloads/my.sql

mysqldump specfic table from remote server

 mysqldump -P3306  -h192.168.20.151 -uroot -p database tablename > /home/manager/Downloads/my.sql

mysqldump multiple tables from remote server

 mysqldump -P3306  -h192.168.20.151 -uroot -p database tablename1 tablename2 tablename3 > /home/manager/Downloads/my.sql
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Check MySQL Database & Tables Size

Check Single Database Size in MySQL:

SELECT table_schema "Database Name", SUM( data_length + index_length)/1024/1024"Database Size (MB)" FROM information_schema.TABLES where table_schema = 'mydb';

Check ALL Database Size in MySQL:

SELECT table_schema "Database Name", SUM(data_length+index_length)/1024/1024
"Database Size (MB)"  FROM information_schema.TABLES GROUP BY table_schema;

Check Single Table Size in MySQL Database:

SELECT table_name "Table Name", table_rows "Rows Count", round(((data_length + index_length)/1024/1024),2)
"Table Size (MB)" FROM information_schema.TABLES WHERE table_schema = "mydb" AND table_name ="table_one";

Check All Table Size in MySQL Database:

SELECT table_name "Table Name", table_rows "Rows Count", round(((data_length + index_length)/1024/1024),2)
"Table Size (MB)" FROM information_schema.TABLES WHERE table_schema = "mydb";

Export MySQL Tables, Import MySQL Database, Add autoincrement to column through Terminal

Export Database

mysqldump -u root -p db > /path/db_backup.sql

Import Database

mysql -u root -ppassword db <  /var/www/tbl.sql

Export table

mysqldump -uroot -ppassword db tbl > /var/www/tbl.sql

Export table with WHERE clause

mysqldump --opt --user=username --password=password db tbl  --where="id>'207856'" > /var/www/tbl.sql

Import table

mysql -u root -ppassword db <  /var/www/tbl.sql

Add Autoincrement

ALTER TABLE tbl MODIFY COLUMN id INT auto_increment;

Change WordPress URLs in Database When Site is Moved to new Host

Please run below code in your phpMyAdmin.

UPDATE wp_options SET option_value = replace(option_value, 'http://www.oldurl', 'http://www.newurl') WHERE option_name = 'home' OR option_name = 'siteurl';

UPDATE wp_options SET option_value = replace(option_value, 'http://www.oldurl','http://www.newurl');

UPDATE wp_posts SET guid = replace(guid, 'http://www.oldurl','http://www.newurl');

UPDATE wp_posts SET post_content = replace(post_content, 'http://www.oldurl', 'http://www.newurl');

UPDATE wp_postmeta SET meta_value = replace(meta_value,'http://www.oldurl','http://www.newurl');