【单选题】有如下定义,( )插入语句是正确的。 CREATE TABLE student (studentid int identity(1,1) primary key, name char(10) null, age int not null, sex bit not null, reg datetime default getdate() )
A.
INSERT INTO student VALUES(1011,‘张三’,21,1)
B.
INSERT INTO student VALUES (‘张三’,21,1,default)
C.
INSERT INTO student(studentid,sex,age) VALUES (1011,’男’,21)
D.
INSERT INTO student VALUES (‘张三’,21,NULL,’2011-05-20’)