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Reply to Grouping NULL values

From: John Griffin <johng_at_RMF41.USACE.ARMY.MIL>
Date: Tue, 2 Jan 1996 14:40:05 -0600
Message-Id: <9601022049.AA10347@alice.jcc.com>


> Does anyone have any nifty work arounds for grouping null values?
>
> ex/
> Select nvl(column1, 0), count(column1) from table1
> group by column1;

Don't count column values ( count(column1) ) since null is not a value, just count rows within the column1 group ( count(*) ).

>
> If the values in the database are 1,2,3 and NULL it returns
>
> column1 Count(column1)
> ------- --------------
> 1 7
> 3 4
> 3 12
> 0 0 I know there are null values in the table....
>
> Thanks in advance....
> ------
> Robert
>
>
> |===========================================================|
> | Robert Sisk Phone: (803) 935-8136 |
> | SCT Utility Systems Email: rsisk_at_sctcorp.com |
> |===========================================================|


John Griffin                (205) 890-2401  |          A    TTTTTTT  SSSSS
Advanced Technology Systems (ATS), Inc.     |        A   A     T     S
4801 University Square, Suite 2             |        AaaaA     T     SSSSS
Huntsville, AL  35816-3431                  |        A   A     T         S
johng_at_rmf41.usace.army.mil                  |        A   A     T     SSSSS
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Received on Tue Jan 02 1996 - 15:50:29 CST

Original text of this message

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