显示emp表的所有行,所有列,下列SQL语句正确的是:()
A.select * from emp;
B.select all.* from emp;
C.select all from emp;
D.select /* from emp;
正确答案是A
显示emp表的所有行,所有列,下列SQL语句正确的是:()
A.select * from emp;
B.select all.* from emp;
C.select all from emp;
D.select /* from emp;
正确答案是A