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Home -> Community -> Mailing Lists -> Oracle-L -> RE: logical differing from physical
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Yes, and sometimes denormalizing ad nauseum will cause performance problems... What works on paper and what *really* works is not always exactly the same. On paper SQL Server works. ? Sorry, couldn't resist!
L?
-----Original Message-----
From: Tim Sawmiller [mailto:sawmillert_at_state.mi.us]
Sent: Wednesday, August 23, 2000 9:07 AM
To: Multiple recipients of list ORACLE-L
Subject: Re: logical differing from physical
What kind of differences, exactly? Sometimes the implementation might not be as "elegant" as the conceived logical model.
>>> jellis24_gso_at_yahoo.com 08/22/00 07:52PM >>>
Does anyone have any good reasons why a database's
logical model would differ from the physical model?
Haven't run across any good business reasons why this
should/would happen.
james
-- Author: james ellis INET: jellis24_gso_at_yahoo.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Author: Tim Sawmiller INET: sawmillert_at_state.mi.us Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). ------_=_NextPart_001_01C00D02.2B291142 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; = charset=3Diso-8859-1"> <META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version = 5.5.2650.12"> <TITLE>RE: logical differing from physical</TITLE> </HEAD> <BODY> <P><FONT SIZE=3D2>Yes, and sometimes denormalizing ad nauseum will = cause performance problems... What works on paper and what = *really* works is not always exactly the same. On paper SQL = Server works. ? Sorry, couldn't resist!</FONT></P> <P><FONT SIZE=3D2>L?</FONT> </P> <P><FONT SIZE=3D2>-----Original Message-----</FONT> <BR><FONT SIZE=3D2>From: Tim Sawmiller [<A = HREF=3D"mailto:sawmillert_at_state.mi.us">mailto:sawmillert_at_state.mi.us</A>= ]</FONT> <BR><FONT SIZE=3D2>Sent: Wednesday, August 23, 2000 9:07 AM</FONT> <BR><FONT SIZE=3D2>To: Multiple recipients of list ORACLE-L</FONT> <BR><FONT SIZE=3D2>Subject: Re: logical differing from physical</FONT> </P> <BR> <P><FONT SIZE=3D2>What kind of differences, exactly? Sometimes = the implementation might not be as "elegant" as the conceived = logical model. </FONT></P> <P><FONT SIZE=3D2>>>> jellis24_gso_at_yahoo.com 08/22/00 07:52PM = >>></FONT> <BR><FONT SIZE=3D2>Does anyone have any good reasons why a = database's</FONT> <BR><FONT SIZE=3D2>logical model would differ from the physical model? = </FONT> <BR><FONT SIZE=3D2>Haven't run across any good business reasons why = this</FONT> <BR><FONT SIZE=3D2>should/would happen.</FONT> </P> <P><FONT SIZE=3D2>james</FONT> </P> <P><FONT = SIZE=3D2>__________________________________________________</FONT> <BR><FONT SIZE=3D2>Do You Yahoo!?</FONT> <BR><FONT SIZE=3D2>Yahoo! Mail * Free email you can access from = anywhere!</FONT> <BR><FONT SIZE=3D2><A HREF=3D"http://mail.yahoo.com/" = TARGET=3D"_blank">http://mail.yahoo.com/</A> </FONT> <BR><FONT SIZE=3D2>-- </FONT> <BR><FONT SIZE=3D2>Author: james ellis</FONT> <BR><FONT SIZE=3D2> INET: jellis24_gso_at_yahoo.com </FONT> </P> <P><FONT SIZE=3D2>Fat City Network Services -- (858) = 538-5051 FAX: (858) 538-5051</FONT> <BR><FONT SIZE=3D2>San Diego, = California -- Public Internet = access / Mailing Lists</FONT> <BR><FONT = SIZE=3D2>---------------------------------------------------------------= -----</FONT> <BR><FONT SIZE=3D2>To REMOVE yourself from this mailing list, send an = E-Mail message</FONT> <BR><FONT SIZE=3D2>to: ListGuru_at_fatcity.com (note EXACT spelling of = 'ListGuru') and in</FONT> <BR><FONT SIZE=3D2>the message BODY, include a line containing: UNSUB = ORACLE-L</FONT> <BR><FONT SIZE=3D2>(or the name of mailing list you want to be removed = from). You may</FONT> <BR><FONT SIZE=3D2>also send the HELP command for other information = (like subscribing).</FONT> </P> <P><FONT SIZE=3D2>-- </FONT> <BR><FONT SIZE=3D2>Author: Tim Sawmiller</FONT> <BR><FONT SIZE=3D2> INET: sawmillert_at_state.mi.us</FONT> </P> <P><FONT SIZE=3D2>Fat City Network Services -- (858) = 538-5051 FAX: (858) 538-5051</FONT> <BR><FONT SIZE=3D2>San Diego, = California -- Public Internet = access / Mailing Lists</FONT> <BR><FONT = SIZE=3D2>---------------------------------------------------------------= -----</FONT> <BR><FONT SIZE=3D2>To REMOVE yourself from this mailing list, send an = E-Mail message</FONT> <BR><FONT SIZE=3D2>to: ListGuru_at_fatcity.com (note EXACT spelling of = 'ListGuru') and in</FONT> <BR><FONT SIZE=3D2>the message BODY, include a line containing: UNSUB = ORACLE-L</FONT> <BR><FONT SIZE=3D2>(or the name of mailing list you want to be removed = from). You may</FONT>Received on Wed Aug 23 2000 - 08:00:51 CDT
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