B is correct ...cause statement 2 fail ODRER BY ??? mising column ASC;
"sfk" <nospan_at_noway.org> píse v diskusním príspevku
news:3E8E0B9E.B0B9251F_at_noway.org...
> The following is from a text..... I would like some opinions .... what
> is the correct answer.
>
> EMP Table is defined as follows:
> EMPNO NUMBER 4
> ENAME VARCHAR2 30
> SALARY NUMBER 14,2
> COMM NUMBER 10,2
> DEPTNO NUMBER 2
>
> You perform the following tow queries:
>
> 1. SELECT empno enumber, ename FROM emp ORDER BY 1;
> 2. SELECT empno, ename FROM emp ORDER BY ASC;
>
> Which of the following is true?
> A. Statements 1 and 2 will produce the same result.
> B. Statement 1 will execute; statement 2 will return an error.
> C. Statement 2 will execute; statement 1 will return an error.
> D. Statement 1 and 2 will execute but produce different results.
>
>
>
Received on Tue Apr 08 2003 - 03:44:43 CDT
