| From: | Abdul Wahab Dahalan <wahab(at)mimos(dot)my> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Subject: | UNION or UNION ALL |
| Date: | 2003-02-13 08:52:19 |
| Message-ID: | 3E4B5CC3.2C10E63A@mimos.my |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
I've 3 tables A,B,C
records in table A like:
id name
b1 abc
b2 xyz
b3 rst
records in table B like:
id type
b1 logistics
b1 importer
b2 logistics
b3 logistics
b3 exporter
records in table C like:
id offer title
b1 sell car
b1 buy car
b1 sell van
b2 sell car
How shoul I do a query so that I can get a result like
(The query will be based on B.type ='logistics')
id name offer
b1 abc sell
b1 abc buy
b1 abc sell
b2 xyz sell
b3 rst --
Any help very much appricated
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