SQL

mysqldump

# Syntax
mysqldump -u [username] -p [database-to-dump] > [database-to-receive]

# Pipe it! Exporting DB from external host
mysqldump -u [username] -P [port] -h [host] [database-to-dump] | mysql -u root -h 127.0.0.1 [database-to-receive]

# Export specific tables by typing the name after the targeted DB
mysqldump -u [username] -P [port] -h [host] [database-to-dump] [tabl1] [table2] [table3] | mysql -u root -h 127.0.0.1 [database-to-receive]

mysqldump database

#To export single database
mysqldump -h [server] -u [user] -p [database_name]  | gzip > [filename].gz

install mysqldump

# Mysql
sudo apt-get install mysql-client
# MariaDB
sudo apt-get install mariadb-clients

mysqldump cli

/etc/init.d/nginx start

mysqldump

mysqldump -u [username] -p [database-to-dump] > filename(e.g. dump.sql)

# or 
sudo mysql database_name > filename

mysqldump

mysqldump -u [username] -p [database-to-dump] > [database-to-receive].sql