Article View: borland.public.interbase.sql
Article #767Re: Computed fields
From: Craig Stuntz TeamB
Date: Wed, 27 Jun 2007 12:53
Date: Wed, 27 Jun 2007 12:53
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Brian Ellul wrote: > Are there any speed issues with having computed fields in tables? No, although we keep them simple (e.g., concatenations). > How does it work? Is the field computed only when selected? Yes. -- Craig Stuntz [TeamB] � Vertex Systems Corp. � Columbus, OH Delphi/InterBase Weblog : http://blogs.teamb.com/craigstuntz Useful articles about InterBase development: http://blogs.teamb.com/craigstuntz/category/21.aspx
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X-Google-Thread: 114a0e,eaa295f7e4d91326 X-Google-Attributes: gid114a0e,public,usenet X-Google-Language: ENGLISH,ASCII From: "Craig Stuntz [TeamB]" <craig_stuntz@nospam.please [a.k.a. acm.org]> Subject: Re: Computed fields Newsgroups: borland.public.interbase.sql References: <4680da48@newsgroups.borland.com> <46825418$1@newsgroups.borland.com> Organization: Vertex Systems Corporation User-Agent: XanaNews/1.18.1.5 X-Face: "huzh55Xi]!ZNni78>a*5+).`SK?<^q2MlHk-C]Z2M9T@\J5ZCB$95Ey+s"XQuhGFA[eutZ:0^AV!Q;t>gE`1-=8d;HZ6~*o1dH<X9\b$!|(}+I'!Xq)@3Op}%0ArW&nf'Qh*EwR MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit NNTP-Posting-Host: 24.106.104.205 Message-ID: <46825dd6@newsgroups.borland.com> Date: 27 Jun 2007 05:53:42 -0700 X-Trace: newsgroups.borland.com 1182948822 24.106.104.205 (27 Jun 2007 05:53:42 -0700) Lines: 15 X-Authenticated-User: cstuntz Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!news.glorb.com!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail