【单选题】设有Teachers表,该表的定义如下: CREATE TABLE Teachers( Tno CHAR(8) PRIMARY KEY, Tname VARCHAR(10) NOT NULL, Age TINYINT CHECK(Age BETWEEN 25 AND 65) ) 下列插入语句中,不能正确执行的是
A.
INSERT INTO Teachers VALUES('T100',' 张三 ',NULL)
B.
INSERT INTO Teachers(Tno,Tname,Age) VALUES('T100',' 张三 ',30)
C.
INSERT INTO Teachers(Tno,Tname) VALUES('T100',' 张三 ')
D.
INSERT INTO TeachersVALUES('T100',' 张三 ')