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Data Issue


Data Issue

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VastSQL
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Hi Experts,

In one of our database developers found an issue with data.
The data is 4F which is returned correctly when using this value and the same is returned when given 4F. That is the symbol is replaced with 'F'. have to give N' (unicode) while searching with both the symbol and F.

Any idea why this happens. The column data type is NVARCHAR.

Thanks in Advance
VastSQL
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can anyone please help me on this??
ChrisM@Work
ChrisM@Work
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It's difficult to find a question in your post. What are you observing now, and what would you like to see? Or are you looking for an explanation for an observation?

“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden
Exploring Recursive CTEs by Example Dwain Camps
VastSQL
VastSQL
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Thanks Chris for the reply.

Problem i am facing is When selecting I am getting same data while using symbol F or F as search criteria both are giving the same result.
Lynn Pettis
Lynn Pettis
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What is the collation of the server/database/column?

Cool
Lynn Pettis

For better assistance in answering your questions, click here
For tips to get better help with Performance Problems, click here
For Running Totals and its variations, click here or when working with partitioned tables
For more about Tally Tables, click here
For more about Cross Tabs and Pivots, click here and here
Managing Transaction Logs

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ChrisM@Work
ChrisM@Work
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Ratheesh.K.Nair (3/6/2013)
Thanks Chris for the reply.

Problem i am facing is When selecting I am getting same data while using symbol F or F as search criteria both are giving the same result.


SELECT
Descript,
MyString,
p2 = UNICODE(SUBSTRING(MyString,2,1))
FROM (
SELECT Descript = 'Normal Latin F', MyString = CAST(N'4F' AS NVARCHAR(2)) UNION ALL
SELECT Descript = 'Wide Latin F', N'4F'
) d
--WHERE MyString = '4F' -- need a width-sensitive collation here
WHERE MyString = N'4F' -- need a width-sensitive collation here




“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden
Exploring Recursive CTEs by Example Dwain Camps
VastSQL
VastSQL
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Group: General Forum Members
Points: 4549 Visits: 5158
Thanks Chris..
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