> ALTER TABLE tbl_name ADD [COLUMN] column_definition; > ALTER TABLE tbl_name CHANGE [COLUMN] old_col_name column_definition; ex. > alter table users add old_address varchar(255); > alter table users change old_address new_address varchar(…

$ git config --global alias.co checkout 参考 "git checkout" は長いので "git co" って打ちたい - Qiita