Re: join problem or maybe group :(
От | Ben-Nes Michael |
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Тема | Re: join problem or maybe group :( |
Дата | |
Msg-id | 015501c24f6e$f5b6f400$aa0f5ac2@canaan.co.il обсуждение исходный текст |
Ответ на | join problem or maybe group :( ("Ben-Nes Michael" <miki@canaan.co.il>) |
Ответы |
Re: join problem or maybe group :(
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Список | pgsql-general |
hmmm, me again. Ill attack the subject from another way. Can i limit the left joined table to one result ? like: select * from table1 left join table2 using (column) limit table2 1,0; ? > Hi All > > > I want to select sections using left join on articles, but i want to retrive > only one row from articles per section and the one should be the latest > art_date. > > Can it be done ? > > CREATE TABLE sections ( > sec_id SERIAL PRIMARY KEY, > sec_name VARCHAR (30), > sec_order INT2 > ); > > > CREATE TABLE articles ( > art_id SERIAL PRIMARY KEY, > sec_id INT4 REFERENCES sections ON UPDATE CASCADE ON DELETE CASCADE, > art_name VARCHAR (30), > art_date DATE > ); > > Cheer > > > > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://archives.postgresql.org >
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