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Re: And the correct answer is?

From: DA Morgan <damorgan_at_exxesolutions.com>
Date: Fri, 04 Apr 2003 17:12:22 -0800
Message-ID: <3E8E2D76.4B020B9E@exxesolutions.com>


Karsten Farrell wrote:

> nospan_at_noway.org said...
> > 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.
> >
> Oh, goodie! A contest! What do I win if I'm the first to get the right
> answer?
>
> I choose answer "A" ... because I forgot to login as SCOTT, who owns the
> EMP table ... and both queries (once I corrected the syntax error in
> query #2) produced the exact same result - no rows returned.
>
> But wait, since I had to correct the syntax error, does that mean "B" is
> correct?
>
> No, wait again ... after I corrected the query #2 syntax error, I needed
> to run it in pl/sql, and forgot to supply an INTO clause. Once I added
> that, it returned too many rows and I got another error. Darn! It can't
> be "C" because I got 2 errors instead of AN error on query #1.
>
> Oh, ok ... I think I got it now ... it's definitely "D" ... because
> after all the changes I've made, they definitely return different
> answers.
> --
> /Karsten
> DBA > retired > DBA

Ah but wouldn't a DBA have dumped the scott schema as soon as the database was created? So the schema and table wouldn't exist.

I think you should just log on as SYS and try again.

Daniel Morgan Received on Fri Apr 04 2003 - 19:12:22 CST

Original text of this message

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