Re: ANSI Standard

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От Montaseri
Тема Re: ANSI Standard
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Msg-id 8078a1730806261317y5ae55147saa3e2a6b43d968f@mail.gmail.com
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Ответ на Re: ANSI Standard  (Steve Midgley <public@misuse.org>)
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<br />- Try SQL 2003 standards....92 is way old<br />- You'll find that even the big boys like Oracle, DB2 etc will
divergefrom SQL standards if they make more $$ thier way...let alone toys like MySQL and MS-SQL<br /><br />Cheers<br />
Medi<br/><br /><div class="gmail_quote">On Thu, Jun 26, 2008 at 12:19 PM, Steve Midgley <<a
href="mailto:public@misuse.org">public@misuse.org</a>>wrote:<br /><blockquote class="gmail_quote"
style="border-left:1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> At 02:20 AM 6/25/2008,
<ahref="mailto:pgsql-sql-owner@postgresql.org" target="_blank">pgsql-sql-owner@postgresql.org</a> wrote:<br
/><blockquoteclass="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex;
padding-left:1ex;"> Date: Tue, 24 Jun 2008 17:33:11 +0300<br /> From: "Pascal Tufenkji" <<a
href="mailto:ptufenkji@usj.edu.lb"target="_blank">ptufenkji@usj.edu.lb</a>><br /> To: <<a
href="mailto:pgsql-sql@postgresql.org"target="_blank">pgsql-sql@postgresql.org</a>><br /> Subject: ANSI Standard<br
/>Message-ID: <000601c8d607$3acda550$<a href="mailto:150fa8c0@interne.usj.edu.lb"
target="_blank">150fa8c0@interne.usj.edu.lb</a>><br/><br /> Hi,<br /><br /><br /><br /> How do I know if a function
(ora certain sql syntax) in Postgres is a SQL<br /> ANSI Standard, hence it works on all databases such as MySQL, SQL
Server,<br/> Oracle.<br /></blockquote><br /> In general, I find that the Pg docs pretty clear state what is ANSI
standardand what isn't within Pg. You can also view the ANSI-92 standard here:<br /><br /><a
href="http://www.contrib.andrew.cmu.edu/%7Eshadow/sql/sql1992.txt"
target="_blank">http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt</a><br/><br /> In terms of making sure you're
crossplatform compatible, I'd say you have to designate a series of platforms (e.g. MySQL 5, Pg 8.3, Oracle X, MS SQL
X,ext) which you will test against and explicitly support. You will find that no matter how tightly you attempt to
buildyour platform against ANSI-92 (or any other std) if you do not regularly test against a set of platforms, your
solutionwill converge on supporting only the platforms you do regular test against.<br /><br /> I hope that helps,<br
/><br/> Steve<br /><font color="#888888"><br /><br /> -- <br /> Sent via pgsql-sql mailing list (<a
href="mailto:pgsql-sql@postgresql.org"target="_blank">pgsql-sql@postgresql.org</a>)<br /> To make changes to your
subscription:<br/><a href="http://www.postgresql.org/mailpref/pgsql-sql"
target="_blank">http://www.postgresql.org/mailpref/pgsql-sql</a><br/></font></blockquote></div><br /> 

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