A table was created using the following DDL:CREATE TABLE employee (id SMALLINT NOT NULL, name VARCHAR(9), dept SMALLINT CHECK (dept BETWEEN 10 AND 100),job CHAR(10) CHECK (job IN (‘Sales‘,‘Mgr‘,‘Clerk‘)), hiredate DATE, salary DECIMAL(7,2), comm DECIMAL(7,2), PRIMARY KEY (id), CONSTRAINT yearsal CHECK (YEAR(hiredate) 2004 OR salary 80500) );Which of the following INSERT statements will fail?（）
A.INSERT INTO employee VALUES (2, ‘Smith‘, 80, ‘Mgr‘, ‘09\/03\/2006‘, 80000, NULL)
B.INSERT INTO employee VALUES (4, ‘Smith‘, 86, ‘Mgr‘, ‘07\/14\/2003‘, 90000, NULL)
C.INSERT INTO employee VALUES (1, ‘Smith‘, 55, ‘Sales‘, ‘07\/14\/2003‘, NULL, NULL)
D.INSERT INTO employee VALUES (3, ‘Smith‘, 33, ‘Analyst‘, ‘11\/26\/2006‘, 90000, NULL)
参考答案：D
