下列SQL语句中,修改表结构的是______。
A.AITER
B.UPDATE
C.SELECT
D.INSERT
A.ALTER TABLE
B.MODIFY TABLE
C.ALTER STRUCTURE
D.MODIFY STRUCTURE
A.MDIFY TABLE
B.MODIFY STRUCTURE
C.ALTER TABIE
D.AITER STRUCTURE
A.MODIFY TABLE
B.MODIFY STRUCTURE
C.ALTER TABLE
D.ALTER STRUCTURE
A.CREATE TABLE
B.CREATE INDEX
C.ALTER TABLE
D.DROP