RE: SQL to retrieve all distinct records
- From: "Niall Litchfield" <n-litchfield@xxxxxxxxxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 15 Apr 2004 15:03:10 +0100
How are you throwing away SYS SYS2 R3 ?=20
Niall Litchfield
Oracle DBA
Audit Commission
+44 117 975 7805=20
> -----Original Message-----
> From: oracle-l-bounce@xxxxxxxxxxxxx=20
> [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Alison Barak
> Sent: 15 April 2004 14:38
> To: oracle-l@xxxxxxxxxxxxx
> Subject: SQL to retrieve all distinct records
>=20
>=20
> Hi,
> can someone assist me with formulating a query to retrieve=20
> all distinct=20
> records. I need to retrieve all three columns a,b &c based=20
> on the distinct=20
> of the two columns a & b.
>=20
> SQL> select * from testing;
> A B C
> ---------- ---------- ----------
> APPS APPS R1
> SYS SYS2 R2
> SYS SYS2 R3
> DOC DOC2 R4
> DC DC2 R5
> DOC DOC R6
>=20
> The result should be
> A B C
> ---------- ---------- ----------
> APPS APPS R1
> SYS SYS2 R2
> DOC DOC2 R4
> DC DC2 R5
> DOC DOC R6
>=20
>=20
> I tried using group by/having count but was not successful. Any idea?
>=20
> Thanks.
>=20
> alison
>=20
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>=20
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>=20
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