How to completely delete mysql in unbuntu?

Method: 1. Use "sudo apt-get remove mysql-common" and other commands to uninstall mysql; 2. Use "dpkg -l|grep ^rc|awk '{print$2}'|sudo xargs dpkg - P" to clear residual data.

• First check the dependencies of MySQL in the terminal: dpkg --list|grep mysql

  

• Uninstall: sudo apt-get remove mysql-common

  

• Uninstall:sudo apt-get autoremove --purge mysql-server-5.7

  

• ##Purge residual data :

  dpkg -l|grep ^rc|awk '{print$2}'|sudo xargs dpkg -P

  

• again View the remaining dependencies of MySQL:

  dpkg --list|grep mysql

  

##Continue to delete the remaining dependencies, such as:
• sudo apt-get autoremove --purge mysql-apt-config

  

There are no MySQL dependencies anymore, completely delete them , Good Luck
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