From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Kellerer <spam_eater@gmx.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: Oracle Equivalent queries in Postgres
Date: Wed, 16 Feb 2011 10:11:23 -0500
Message-ID: <24670.1297869083@sss.pgh.pa.us> (raw)
In-Reply-To: <ijgcn2$gcc$1@dough.gmane.org>
References: <4D5BAA07.7060704@subexworld.com>
<AANLkTinJ-0jttRsp_DysUT+a8HAv-sXxK4xy5aCmM60H@mail.gmail.com>
<ijgb0i$83b$1@dough.gmane.org>
<AANLkTimtSJkF+o3f6OcHgqE1GE5m89ycMc1UL=48XUix@mail.gmail.com>
<ijgcn2$gcc$1@dough.gmane.org>
Thomas Kellerer <spam_eater@gmx.net> writes:
> Pavel Stehule, 16.02.2011 12:20:
>>> Unfortunately they are not the same: Oracle does not support
>>> INFORMATION_SCHEMA
>> sorry, I expected so all mature databases support it.
> Yes, this is really hard to understand.
> I would assume creating the INFORMATION_SCHEMA views based on the existing Oracle views is just a matter of maybe 3-4 days of days work. So it is really not understandable that Oracle does not support this.
> But then they probably don't care - after all it's Oracle.
No, from their point of view it would be actively damaging: providing
standardized views would reduce customer lock-in, by making applications
more portable to other DBMSes. The pain the OP is feeling is a
marketing advantage, so far as Oracle is concerned.
regards, tom lane
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To: pgsql-sql@postgresql.org
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Subject: Re: Oracle Equivalent queries in Postgres
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