Re: rows equal
| От | Richard H |
|---|---|
| Тема | Re: rows equal |
| Дата | |
| Msg-id | 20010324.1093400@client.archonet.com обсуждение исходный текст |
| Ответ на | rows equal ("Marios Moutzouris" <mariosm@netactive.co.za>) |
| Список | pgsql-sql |
On 3/20/01, 7:23:04 PM, Marios Moutzouris <mariosm@netactive.co.za> wrote regarding [SQL] rows equal: > Hello > I need a sql query to a postgresql database which can tell me whether the > rows returned ar equal. > i.e > ------- > Status > ------- > Order > ------- > Collected > ---------- > This is two columns. Both are not equal. > Any help?.......without having to write code to fetch the result and go > through etc etc. Sorry - don't think so. Unless you've defined a unique index on one or more of these columns you'll have to check the contents of the columns. If they are never supposed to be the same, define a unique index. - Richard Huxton
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