delete * mysql code example

Example 1: remove mysql

sudo apt-get remove --purge mysql* -y
sudo apt-get autoremove -y
sudo apt-get autoclean

Example 2: mysql remove records

DELETE FROM table_name
WHERE condition;

Example 3: mysql on delete

[CONSTRAINT [symbol]] FOREIGN KEY
    [index_name] (col_name, ...)
    REFERENCES tbl_name (col_name,...)
    [ON DELETE reference_option]
    [ON UPDATE reference_option]

reference_option:
    RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT

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