Several counts and

I wrote my request and now I need to refine - I tried to comment the next step in the query. I hope it makes sense what I try to achieve, but I don't know how to write it and I had no chance to research.

Essentially, I need to see the indictment, I need to see all a.id, a.num where "Count zero" = "0" and 'Count of Zero' > '0'

select a.id, a.num,
(select Count(*)
from ari ari
where ari.id = a.id
and ari.num = a.num
and ari.value = '0') as "Count of Zero",
(select Count(*)
from ari ari
where ari.id = a.id
and ari.num = a.num
and ari.value > '0') as "Count of Non-Zero"
from ari a
--where "Count of Non-Zero" = '0' and "Count of Zero" > '0'
group by a.id, a.num 
-- having "Count of Non-Zero" = '0' and "Count of Zero" > '0'
order by a.id

Examples of data
VALUE ID NUM
32 0 0
32 0 0
32 0 0
32 0 0
32 1 0
32 1 0
32 1 0
35 0 0
35 0 23
35 0 22
35 1 0
35 1 12
35 1 24
36 0 0
36 0 0
36 0 0
36 1 26
36 1 25
36 1 45
38 0 27
12 0 38
38 0 55
38 1 42
38 1 48
38 1 40
38 1 39

The query results
a.ID a.num
32 0
32 1
36 0

Oracle 11.2.0.2.0 database

Published by: 924266 on 03/29/2012 6:14

Published by: 924266 on 06:22 29/03/2012

Edit: Thanks Frank for the fast feedback

Published by: 924266 on 03/29/2012 06:32

Hello

Welcome to the forum!

Whenever you have a querstion, don't forget to ask your question. You are looking for a better way get the same results?

SELECT       id
,       num
,       COUNT (CASE WHEN value = '0' THEN 1 END)     AS "Count of Zero"
,       COUNT (CASE WHEN value > '0' THEN 1 END)     AS "Count of Non-Zero"
FROM        ari
GROUP BY  id
,            num
ORDER BY  id
;

I hope that answers your question.
If not, post a small example data (CREATE TABLE and only relevant columns, INSERT statements) for all of the tables involved and also publish outcomes from these data.
Report when the above query is incorrect results and explain, using specific examples, how you get the results of these data in these places.
Always tell what version of Oracle you are using.

Published by: Frank Kulash, 29 March 2012 09:29

I see that you added your question now.

SELECT       id
,       num
FROM        ari
GROUP BY  id
,            num
HAVING    COUNT (CASE WHEN value = '0' THEN 1 END)     > 0
AND       COUNT (CASE WHEN value > '0' THEN 1 END)     = 0
ORDER BY  id
;

COUNT always returns a number, so it is not sensible to compare a string like '0'
What is the data type of the value? If it is a NUMBER. Then, you don't want to compare it to a chain, either.

Tags: Database

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Hi all

I saw several post, documentation and several tutorials and cant' wrap your head around the query. I am creating a hierarchy of hosts in a model parent child and for each parent, I need to generate html code. I now have the id of the top most parent but has difficulty to get the logic to generate the output I need.

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SELECT DISTINCT h.id,
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FROM hosts h
LEFT JOIN host_parenthosts h4 ON (h.id = h4.host_id)
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It may be easier to do using PL/SQL. Here is an example that you may be able to take as a starting point. It uses recursion to write lines in a simple table, then writes the table at the end.

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DECLARE

  g_lines_list SYS.ODCIVarchar2List := SYS.ODCIVarchar2List();
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  SELECT hst.id, hst.host_object_id, hst.display_name
    FROM hosts hst
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                      WHERE par.host_id     = hst.id
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END;
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Strategic outcome on your data:

Stored lines...
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....]}
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]}

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Refer; http://support.Microsoft.com/kb/929135

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Umesh P - Microsoft technical support.

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