Re: Order rows

Hi,

In regular way, there is no such method. Remember Codd's rules about relational databases? :)

But you can create a before insert trigger, which fills a column with current timestamp or sequencial value from sequence (better). Later, use ORDER BY clause in SELECT statement.

Alexandre

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, May 15, 2002 8:08 AM

> Hi All
>
> Is there any method in Oracle to capture or order the rows in a table in
> the order they were entered.
> I tried it with rowid but when a row is deleted, the rowid corresponding
to
> this row is reassigned for a new row
> which is inserted into the table at a later stage.
>
> Eg.
>
> SQL> select rowid,abc.* from abc order by rowid;
>
> ROWID A
> ------------------ ----------
> AAAFmYAASAAAYsqAAA 100
> AAAFmYAASAAAYsqAAB 200
> AAAFmYAASAAAYsqAAC 300
>
> I deleted one transaction.
>
> delete from abc where a=200;
> commit;
>
> Then I inserted two rows.
>
> insert into abc values(500);
> insert into abc values(600);
> commit;
>
> Now when I order by rowid
>
> SQL> select rowid,abc.* from abc order by rowid;
>
> ROWID A
> ------------------ ----------
> AAAFmYAASAAAYsqAAA 100
> AAAFmYAASAAAYsqAAB 600
> AAAFmYAASAAAYsqAAC 300
> AAAFmYAASAAAYsqAAD 500
>
> I.e The values I entered last appeared second.The rowid
(AAAFmYAASAAAYsqAAB
> ) corresponding to the row I deleted was reassigned for the last entered
> row (a=600).
> What I want is that this must be sorted in the order of its entry.
> Can anyone help me out.
> Thanks in advance
> Systems.
>
>
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>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Alexandre Gorbatchev
  INET: alexandre.gorbatchev_at_avermann.de

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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