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A