MySQL修改表名,列名,列類型,添加表列,刪除表列alter table test rename test1; --修改表名alter table test add column name varchar(10); --添加表列alter table test drop column name; --刪除表列alter table test modify address char(10) --修改表列類型||alter table test change address address char(40)alter table test change column address address1 varchar(30)--修改表列名