| From: | "Greg Sabino Mullane" <greg(at)turnstep(dot)com> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Cc: | spaceman-75e1f-20040422(at)ausgehaucht(dot)sensenmann(dot)at |
| Subject: | Re: Counting rows from two tables in one query |
| Date: | 2004-04-10 01:28:08 |
| Message-ID: | f7bb0dd795c7fb17b53e1f20cc2cf765@biglumber.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
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> What I am trying to get is a list that shows how many records from
> 'sub_a' and 'sub_b' are referencing 'main':
SELECT id,
(SELECT COUNT(*) FROM sub_a WHERE sub_a.main_id=main.id),
(SELECT COUNT(*) FROM sub_b WHERE sub_b.main_id=main.id)
FROM main ORDER BY id;
- --
Greg Sabino Mullane greg(at)turnstep(dot)com
PGP Key: 0x14964AC8 200404092128
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