how remove column in mysql
ALTER TABLE "table_name" DROP "column_name";how remove column in mysql
ALTER TABLE "table_name" DROP "column_name";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 DEFAULTCopyright © 2021 Codeinu
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