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<p class=3DMsoNormal><span class=3DEmailStyle16><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>H=
i Brad,<o:p></o:p></span></font></span></p>
<p class=3DMsoNormal><span class=3DEmailStyle16><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><=
![if =
!supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>=
<p class=3DMsoNormal><span class=3DEmailStyle16><font size=3D2 =
color=3Dblue face=3DArial><span
style=3D'font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>W=
e are
currently on 4.0b and RSWWERRE is using index C as it should.<span
style=3D"mso-spacerun: yes"> </span>When you run the SQL trace =
and do an
Explain SQL on the select statement does it say that performance is bad =
because
no index is used?<span style=3D"mso-spacerun: yes"> </span>If so, =
then I
would recommend having the basis folks update the database =
statistics.<o:p></o:p></span></font></span></p>
<p class=3DMsoNormal><span class=3DEmailStyle16><font size=3D2 =
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12.0pt;font-family:Arial'><span =
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Signature" <span =
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if]--><font
size=3D2 color=3Dblue face=3D"Century Gothic"><span =
style=3D'font-size:10.0pt;
mso-bidi-font-size:12.0pt;font-family:"Century =
Gothic";color:blue'>Kenny
Quenzer</span></font><font size=3D2 color=3Dblue face=3D"Century =
Gothic"><span
style=3D'font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:"Century=
Gothic";
color:blue;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=3DMsoNormal><!--[if supportFields]><span =
class=3DEmailStyle16><font=20
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<span
class=3DEmailStyle16><font size=3D2 color=3Dblue face=3DArial><span =
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10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if =
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<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D2 =
color=3Dblack
face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style=3D'font-weight:bold'>From:</span></b> Schroeter, Brad
[mailto:BSchroeter@ti.com]<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Wednesday, June =
27, 2001
10:14 AM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> =
SAP-WUG@MITVMA.MIT.EDU<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> Performance =
Update to
RSWWERRE</span></font></p>
<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'><![if =
!supportEmptyParas]> <![endif]><o:p></o:p></span></font></p>
<p style=3D'margin-left:.5in'><font size=3D2 color=3Dblack =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:black'>I am in the =
process of
implementing note 136887 (Performance RSWWERRE with Cost Based
Optimizer). We're on 4.0B and Oracle 8.0.4.3 (we're supposed to =
be
upgrading to 8.1.7 in August/September). In the note it says =
"that
you must possibly update the database statistics so that your index =
works
correctly (see note 72873)". I've talked to our Basis folks =
and they
don't currently do any reorgs on our system due to the size (we're the =
smaller
of two systems within our company and we normally run without any =
problems) but
that may change in the future.</span></font><font color=3Dblack><span
style=3D'color:black;mso-color-alt:windowtext'><o:p></o:p></span></font>=
</p>
<p style=3D'margin-left:.5in'><font size=3D2 color=3Dblack =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:black'>After =
implementing the
note I ran a test of RSWWERRE with the SQL trace turned on. I can =
see
that instead of using index SWWWIHEAD~C (which it's supposed to use), =
it's
doing a full table scan. It's happening on "SELECT * FROM =
SWWWIHEAD
INTO TABLE WI_ERRORS WHERE WI_TYPE EQ WI_BATCH AND WI_STAT EQ
WI_STATUS_STARTED" (wi_batch =3D 'B' and wi_status_started =3D
'STARTED'). Does anyone have an idea why the index would not be =
used?</span></font><font
color=3Dblack><span =
style=3D'color:black;mso-color-alt:windowtext'><o:p></o:p></span></font>=
</p>
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!supportEmptyParas]> <![endif]></span></font><font
color=3Dblack><span =
style=3D'color:black;mso-color-alt:windowtext'><o:p></o:p></span></font>=
</p>
<p style=3D'margin-left:.5in'><font size=3D2 color=3Dblack =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:black'>Thanks,</span><=
/font><font
color=3Dblack><span style=3D'color:black'> <br>
</span></font><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:black'>Brad</span></font><font =
color=3Dblack><span
style=3D'color:black'> </span></font><font color=3Dblack><span =
style=3D'color:black;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
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