Total number of characters in a single column
Hello
I need to find how many times a character was repeated in a single column.
sample_col |
---|
1@2@3@4@5@6@7@8@9 @. |
Need to know how many times '@' is repeated in this column.
Oracle Version: 10g
Hello
One way is to see how much more short chain gets when you delete all the ' @' s:
SELECT sample_col
, LENGTH (sample_col |) 'x' )
-LENGTH (REPLACE (sample_col
, '@'
) || « x »
) AS num_ats
FROM table_x
;
Tags: Database
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2902196 wrote:
Please update your forum profile with a recognizable username instead of "2902196": Video tutorial how to change username available
Always include the information referred to in these guidelines when you post a question: How to get the answers from the forum
Actually, I have a report of the Apex based on CLOB column, which includes data whose length exceeds 10,000 characters.
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Post edited by: csm_phil
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Try this (replace with your actual table):
with the temp as
(
SELECT substr (REGEXP_SUBSTR (str,'[^,] +', 1, LEVEL) 1, 32) r
OF THE TEST
connect IN REGEXP_SUBSTR(str, '[^,]+', 1, LEVEL) IS NOT NULL
)
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temp
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-----
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-----
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I think that my current query based results M and N on WIPDATAVALUE and not HOUSING that's why I get the wrong result. I also tried to use WITH instruction and it works well, but unfortunately, our system cannot accept the subquery factoring.
I know that you guys will be of help because you are all awesome. Thank you all
Published by: 1001275 on April 19, 2013 20:07
Published by: 1001275 on April 19, 2013 20:18Hello
1001275 wrote:
Hi sb92075,You are right that it is available with this version. But our system doesn't put queries that use subquery factoring.
What system are you talking about? If you really have something that prevents you from using all the features of Oacle, you should seriously think about fixing it.
Any other ideas on how we can do this without help WITH clause?
Yes; If a WITH clause is referenced that once, it can be re-written as a point of view online:
SELECT wipdatavalue , slot , ROW_NUMBER () OVER ( PARTITION BY slot ORDER BY low_number ) AS m , COUNT (*) OVER ( PARTITION BY slot ) AS n FROM ( -- Begin in-line view (got_numbers) SELECT wipdatavalue , slot , TO_NUMBER ( SUBSTR ( wipdatavalue , 1 , INSTR ( wipdatavalue || '-' , '-' ) - 1 ) ) AS low_number , TO_NUMBER ( SUBSTR ( wipdatavalue , 1 + INSTR ( wipdatavalue , '-' ) ) ) AS high_number FROM trprinting ) -- End in-line view got_numbers CONNECT BY LEVEL <= high_number + 1 - low_number AND low_number = PRIOR low_number AND PRIOR SYS_GUID () IS NOT NULL ORDER BY low_number , m ;
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Details of the environment
======================
Disqualification Version: 12.1.3.0.0
I use a business rules processor to implement multiple business rules on one record and I am looking for a summary of the number of records increased and does not have a specific rule.
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1 9Exception table
Single ID ID rule
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Rule 1 1 9 10 Record1
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The best way to explain how to do this is with an example project (DXI). I'll send you one in offline mode.
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