A.修改表结构
B.创建数据库
C.创建表
D.以上都不对
A.delete table ST
B.deletes ST
C.drop table ST
D.drop ST
A.DROP TABLE M
B.DELETE_FOR TABLE M
C.ERASE_FOR TABLE M
D.DELETES DBF M
A.DELETE
B.DROP FOR
C.CLEAR ALL
D.REMOKE
A.UPDATM TABLE
B.MODIFY_FOR TABLE
C.ALTER TABLE
D.CHANGE FOR TABLE
A.add table dep(CN char(8))
B.add table dep alter(CN char(8))
C.alter table dep add CN char(8)
D.alter table add dep CN char(8)
