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05.20.2006 at 12:30AM PDT, ID: 21857678
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9.2

null value in DECODE gives wrong values count in Crystal

Asked by lana123 in Oracle Database

Tags: , , , ,

Hi,
I create view in Oracle and here is short part of it:

SELECT  
     MAX(DATA.name) AS Name,
     SUM(DECODE(DATA.Type_M1, NULL, 0, 1)) AS Type_M1
FROM DATA ....

I use this view in Crystal 9 for count Type_M1 for each Name.
I got a vert strange problem - if I run my query through database I get Type_M1 = 47
but if check Type_M1 through Crystal it becomes equal = 49.

How can I get right number(47)in Crystal? And why I get wrong number(because when I run the query from Crystal in Oracle it gives me right result again - 47!)

I greatly appreciate any help,

thank you very much

Lana

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[+][-]05.20.2006 at 06:05AM PDT, ID: 16724291

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[+][-]05.20.2006 at 02:40PM PDT, ID: 16725911

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[+][-]05.20.2006 at 02:42PM PDT, ID: 16725915

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About this solution

Zone: Oracle Database
Tags: oracle, null, decode, values, wrong
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Solution Provided By: actonwang
Participating Experts: 3
Solution Grade: A
 
 
[+][-]11.01.2007 at 08:18PM PDT, ID: 20198209

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