Re: [SQL] SQL Problem
От | Peter Eisentraut |
---|---|
Тема | Re: [SQL] SQL Problem |
Дата | |
Msg-id | Pine.GSO.4.02A.9910281257210.567-100000@Puma.DoCS.UU.SE обсуждение исходный текст |
Ответ на | SQL Problem ("Imtiaz. S. M" <imtiaz_sm@yahoo.com>) |
Список | pgsql-sql |
UPDATE second_table SET date_column = (SELECT min(date_column) FROM first_table); On Thu, 28 Oct 1999, Imtiaz. S. M wrote: > I have two tables which have exactly the same structure. Both of them > have one datetime column along with three other columns. But the > datetime column value in the second table is NULL for all the rows. Now > I want select the least date(date with the least value in the datetime > column) from the first table and update all the rows in the second table > with this least date value from the first table. I do not want to use > any compiler or host variables. I should be able to do this only using > SQL statements. Cn somebody please help me? Thanks in advance. > > regards > Imtiaz > > > ************ > > -- Peter Eisentraut Sernanders vaeg 10:115 peter_e@gmx.net 75262 Uppsala http://yi.org/peter-e/ Sweden
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