Re: please give me select sqls examples to distinct these!
| От | Rob Sargent |
|---|---|
| Тема | Re: please give me select sqls examples to distinct these! |
| Дата | |
| Msg-id | 9743c2b4-86b9-944d-ca48-6fa73439d70b@gmail.com обсуждение |
| Ответ на | Re: please give me select sqls examples to distinct these! ("David G. Johnston" <david.g.johnston@gmail.com>) |
| Ответы |
Re: please give me select sqls examples to distinct these!
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| Список | pgsql-general |
On 10/25/22 09:24, David G. Johnston wrote:
OK. TBH I thought this was the JOOQ list! Didn't notice the typedef. So this is all about exact match "tables".On Tue, Oct 25, 2022 at 8:22 AM David G. Johnston <david.g.johnston@gmail.com> wrote:On Tue, Oct 25, 2022 at 7:06 AM Rob Sargent <robjsargent@gmail.com> wrote:2: select * from table join table b on Id = idb#2 is probably conceptually correct but in this context should be written as:Actually, a join is NOT conceptually correct here - the output columns for "SELECT *" will be wrong.David J.
I suppose my #2 could be framed as
select a* from table as a join table as b on a.<criteria> = b.<criteria>
to be a functional equivalent of INTERSECT?
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