单项选择题以下插入记录正确的( ) A.insert into emp(ename,hiredate,sal) values (value1,value2,value3); B.insert into emp (ename,sal)values(value1,value2,value3); C.insert into emp (ename)values(value1,value2,value3); D.insert into emp (ename,hiredate,sal)values(value1,value2);
A.insert
B.insert
C.insert
D.insert