From: itdcgb <itdcgb@its.hants.gov.uk>
To: pgsql-docs@postgresql.org
Subject: Tutorial: chapter 5
Date: Tue, 12 Dec 2000 15:33:28 +0000
Message-ID: <3A25384D@mailbox.hants.gov.uk> (raw)
In 'Joins between classes' in Section 5 of the tutorial we have, in
the first paragraph:
As an example, say we wish to find all the records that
are in the temperature range of other records. In
effect, we need to compare the temp_lo and temp_hi
attributes of each EMP instance to the temp_lo and
temp_hi attributes of all other EMP instances.
I believe that EMP should read WEATHER, as the example query that
follows joins WEATHER to itself.
EMP is often used in Oracle examples.
Regards,
Graham
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Subject: Re: Tutorial: chapter 5
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