Erin Ramsay (3/1/2013)

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Something like this maybe?

select letter from

(select 'a' letter

union

select 'b' letter

union

select 'c' letter

union

select 'd' letter

union

select 'e' letter)source

order by (case letter when 'd' then 1when 'c' then 2...

Dear Sean,

Thanks for help.

I know how much headache I will get to find a stable solution but your suggestion is a really helpful starting point.

I will work on it...

Sean Lange (3/1/2013)

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RZ52 (3/1/2013)

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Hi,

I have three tables and the structures are :

Table1 : [PATIENT_ID],[Name],[Age],[City],[TEST1],[TEST2]...... (the AB? are test names dynamically added to table)

Table2 : [PATIENT_ID],[Name],[Age],[DR1],[DR2],...... (the DR? are drug names...

Dear Eugene,

You solved my puzzle.

Thanks a lot.

Eugene Elutin (2/28/2013)

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Yeap, it's...

Dear Eugene,

You've completed my day.

Thanks a lot.

Dear Cadavre,

It worked nice and perfect.

Sorry if I was not very clear on explaining situation.

Best Regards,

Dear Jeff,

Thanks for your advice. I am newbie so it might take time to learn how I need to present my situation but I always appreciate suggestions from seniors.

Best...

Dear SQLKnitter,

I appreciate for advice. The reason I stay with SELECT is because I use it as SP to fill a datagridview in my application.

Thanks again

Dear Eugene,

This is exactly what I was looking for.

Thanks a lot.

Dear Dadavre,

The proposed solution works good. However, we need also to distinguish those samples that are positive but no O15? factor was detected and tag them as "Non-pathogen" (in my...

Dear Jeff,

The above scenario is only a simplified example. My real dataset is about the serotype profile of certain bacterial samples. So, we do some probe tests for certain factors...

Dear Arjun,

Thanks for guidance. With some minor modification, it works perfectly.

Now, I have another issue, in my [Task] field I have subgroups that is indicated with a specific format like...

Dear SSCarpal Tunnel,

Thanks for the help. I will check which option give me better performance.

Dear SSCrazy,

Your solution saved me. It works perfectly and I learned about "OUTER APPLY" which I was not aware of.

Thanks again.