select table_name from information_schema.tables where table_schema='lcxtest' and table_type='base table'
alter table user_role rename USER_ROLE;
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; --删除表列alter table test modify address char(10) --修改表列类型||alter table test change address address char(40)alter table test change column address address1 varchar(30)--修改表列名
SELECTCOLUMN_NAME,COLUMN_TYPEFROMinformation_schema.COLUMNSWHEREtable_schema = 'lcxtest'AND table_name = 'USER_ROLE'