MySQL - database backup

1、 Why backup

• Ensure that important data is not lost
• Data transfer

2、MySQL The way of database backup

• Copy physical files directly

• stay sqlyog This visualization tool exports by hand

  • In the table or library you want to export , Right click to select backup or export
    

• Use the command line to export mysqldump Command line

--  export 
mysqldump -h host  -u user name  -p password   database  [ Table name 1  Table name 2 ···] > route / file name 


--  Import 
-- 1. In the case of login （ To import a table, switch to the specified database ）
source  route / file name 

-- 2. Without login 
mysql -u user name  -p password   Library name  < route / file name