mysql alter table add column
ALTER TABLE vendors ADD COLUMN phone VARCHAR(15) AFTER name;
mysql alter table add column
ALTER TABLE vendors ADD COLUMN phone VARCHAR(15) AFTER name;
alter table add column and foreign key mysql
ALTER TABLE database.table
ADD COLUMN columnname INT DEFAULT(1),
ADD FOREIGN KEY fk_name(fk_column) REFERENCES reftable(refcolumn) ON DELETE CASCADE;
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