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Function based indexes?

Function based indexes?

2005-12-06       - By Jared Still

Reply:     1     2     3     4     5     6     7     8     9     10     >>  

I see you already have numerous replies.

(I have not had time to check email since this morning)

Nothing I can add to the voluminous suggestions you have received.

There is a relevant AskTom article for this IIRC, but I was unable to
find it earlier today.  Perhaps a glass of Lagavulin will enhance my
search engine queries?  :)

Jared


On 12/6/05, Rick Stephenson <RStephenson@(protected)> wrote:
>
>  Yes, but did not get very far in my attempts.  My ideas were not
> syntactically correct from the error messages I was getting, so I did not
> know if it was possible.  I also tried searching google and asktom to see if
> I could get any light shed on the subject.
>
>
>
> Thanks for your concern,
>
>
>
> Rick Stephenson
>
>
>  -- ---- ---- ---- ---- ---- --
>
> *From:* Jared Still [mailto:jkstill@(protected)]
> *Sent:* Tuesday, December 06, 2005 11:52 AM
> *To:* Rick Stephenson
> *Cc:* oracle-l@(protected)
> *Subject:* Re: Function based indexes?
>
>
>
> Have you tried it?
>
>  On 12/6/05, *Rick Stephenson* <RStephenson@(protected)> wrote:
>
> Is there a way to create an index on a column and only index those where
> the value meets a certain expression?  For example, if I have a numeric
> column, can I just have the index built for those values that equal 1?  I
> don't query on any other value, so I don't want to consume the space for the
> other values.  I am running EE 9.2.0.3.
>
>
>
> Thanks,
>
>
>
> Rick Stephenson
>
>
>
>
>
>
> --
> Jared Still
> Certifiable Oracle DBA and Part Time Perl Evangelist
>



--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist

I see you already have numerous replies.<br><br>(I have not had time to check
email since this morning)<br><br>Nothing I can add to the voluminous
suggestions you have received.<br><br>There is a relevant AskTom article for
this IIRC, but I was unable to
<br>find it earlier today.&nbsp; Perhaps a glass of Lagavulin will enhance my
<br>search engine queries?&nbsp; :)<br><br>Jared<br><br><br><div><span class=
"gmail_quote">On 12/6/05, <b class="gmail_sendername">Rick Stephenson</b> &lt;
<a href="mailto:RStephenson@(protected)">RStephenson@(protected)</a>&gt; wrote:</span
><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204
); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">











<div>

<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font
-family: Arial; color: navy;">Yes, but did not get very far in my
attempts.&nbsp; My ideas were not syntactically correct from the error messages
I
was getting, so I did not know if it was possible.&nbsp; I also tried searching
google and asktom to see if I could get any light shed on the subject.</span><
/font></p>

<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font
-family: Arial; color: navy;">&nbsp;</span></font></p>

<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font
-family: Arial; color: navy;">Thanks for your concern,</span></font></p>

<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font
-family: Arial; color: navy;">&nbsp;</span></font></p>

<div>

<p><font color="navy" face="Times New Roman" size="3"><span style="font-size:
12pt; color: navy;">Rick Stephenson</span></font></p>

</div>

<p><font color="navy" face="Arial" size="2"><span style="font-size: 10pt; font
-family: Arial; color: navy;">&nbsp;</span></font></p>

<div>

<div style="text-align: center;" align="center"><font face="Times New Roman"
size="3"><span style="font-size: 12pt;">

<hr align="center" size="2" width="100%">

</span></font></div>

<p><b><font face="Tahoma" size="2"><span style="font-size: 10pt; font-family:
Tahoma; font-weight: bold;">From:</span></font></b><font face="Tahoma" size="2"
><span style="font-size: 10pt; font-family: Tahoma;"> Jared Still
[mailto:<a href="mailto:jkstill@(protected)" target="_blank" onclick="return top
.js.OpenExtLink(window,event,this)">jkstill@(protected)</a>] <br>
<b><span style="font-weight: bold;">Sent:</span></b> Tuesday, December 06, 2005
11:52 AM<br>
<b><span style="font-weight: bold;">To:</span></b> Rick Stephenson<br>
<b><span style="font-weight: bold;">Cc:</span></b> <a href="mailto:oracle-l
@(protected)" target="_blank" onclick="return top.js.OpenExtLink(window,event
,this)">oracle-l@(protected)</a><br>
<b><span style="font-weight: bold;">Subject:</span></b> Re: Function based
indexes?</span></font></p>

</div>

<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;">&nbsp;<
/span></font></p>

<p style="margin-bottom: 12pt;"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Have you tried it?<br>
<br>
</span></font></p>

<div><span class="q">

<p><span><font face="Times New Roman" size="3"><span style="font-size: 12pt;"
>On 12/6/05, <b><span style="font-weight: bold;">Rick
Stephenson</span></b> &lt;<a href="mailto:RStephenson@(protected)" target="_blank"
onclick="return top.js.OpenExtLink(window,event,this)">RStephenson@(protected)</a>
&gt;
wrote:</span></font></span></p>

</span><span class="q"><div>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial
;">Is
there a way to create an index on a column and only index those where the value
meets a certain expression?&nbsp; For example, if I have a numeric column, can
I just have the index built for those values that equal 1?&nbsp; I don't query
on any other value, so I don't want to consume the space for the other
values.&nbsp; I am running EE <a href="http://9.2.0.3" target="_blank" onclick=
"return top.js.OpenExtLink(window,event,this)">9.2.0.3</a>.</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial
;">&nbsp;</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial
;">Thanks,</span></font></p>

<p><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial
;">&nbsp;</span></font></p>

<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;">Rick
Stephenson</span></font></p>

<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;">&nbsp;<
/span></font></p>

</div>

</span></div>

<p><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
<br clear="all">
<span class="q"><br>
-- <br>
Jared Still<br>
Certifiable Oracle DBA and Part Time Perl Evangelist</span></span></font></p>

</div>





</blockquote></div><br><br clear="all"><br>-- <br>Jared Still<br>Certifiable
Oracle DBA and Part Time Perl Evangelist<br>