novice question about NOTICE:... - Mailing list pgsql-novice

    Tried to search the novice archives and the engine just never
returns an answer.  This is probably a pretty common question so I
hope I'll get a quick answer.


   I have two tables  cgidat and tierdat.
    I want to select all occurrences of data in cgidat where
cgidat.state = testing and cgidat.lang = tierdat.lang and
tierdat.tier = 0

   so I did


    select oid, lang from cgidat where cgidat.state = 'testing' and
cgidat.lang = tiredat.lang and tierdat.tier = '0' order by lang;

I get the expected results but I also get
Adding missing FROM-clause entry for table "tierdat"


   Huh?

    Thanks
    Lloyd

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                 lev@apple.com