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Keyword mapping


Keyword mapping

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Ram240582
Ram240582
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I have two tables setup where one contains a list of keywords and category The second table contains actual data description. By mapping the keywords on the Data description column, we will have to update the respective category.

Can we achieve the same using a Query or we have to write a Procedure?
TheSQLGuru
TheSQLGuru
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Please provide sample tables, data, and expected output. We can't do much for you without that as a starting point. Also, I don't understand your question about query or procedure...

Best,

Kevin G. Boles
SQL Server Consultant
SQL MVP 2007-2012
TheSQLGuru at GMail
Ram240582
Ram240582
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Hi,

I am here by attaching a sample excel workbook where we have two worksheets, one represents the first table and second worksheet represents the issues table which needs to be updated on the category column based on the Keywords available in the Keywords table.

As this is a sample, we have few rows.. in reality there are more than a lakh of rows in the Issues table.

My query was with regards to a SQL query with which we can update the categories on the Issues table based on the Keywords table.

Thanks,
Ram240582
Attachments
Mapping.xlsx (2 views, 9.00 KB)
TheSQLGuru
TheSQLGuru
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I don't open excel spreadsheets from the web.

Sorry, I wasn't specific enough in my request. I (and others that might help you) need CREATE TABLE scripts (temporary tables please, not permanent ones) and INSERT ... scripts that we can run directly on SQL Server to use to build a query that can help solve your problem. We need your expected outputs from the given inputs so we can really understand what you mean/need.

Best,

Kevin G. Boles
SQL Server Consultant
SQL MVP 2007-2012
TheSQLGuru at GMail
Erland Sommarskog
Erland Sommarskog
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If this is a one-off you could do:

UPDATE issues
SET category = (SELECT MIN (k.category)
FROM keywords k
WHERE i.description LIKE '%' + k.keyword + '%')
FROM keywords k



I will be really slow.

If you need to do this on a regular basis, you need to consider full-text indexing.

Erland Sommarskog, SQL Server MVP, www.sommarskog.se
Jeff Moden
Jeff Moden
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Ram240582 (8/27/2013)
I have two tables setup where one contains a list of keywords and category The second table contains actual data description. By mapping the keywords on the Data description column, we will have to update the respective category.

Can we achieve the same using a Query or we have to write a Procedure?


Welcome aboard. To get better and quicker answers in the future, most likely with a coded example that actually works, please see the first link in my signature line below.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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