select Query for the table......

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SQL-Server-2008R2

Table

S.no Number Stage
1 A-1 1
2 A-2 2
3 A-3 3
4 B-1 1
5 B-2 2
6 c-1 1
7 C-2 2
8 C-3 3
9 D-1 1
10 D-2 2
11 D-3 3
12 D-4 4

I need query for following

3 A-3 3
5 B-2 2
8 C-3 3
12 D-4 4

Posted 24-Sep-15 3:30am

Arasappan

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Richard Deeming 24-Sep-15 10:54am

This is the same question you posted yesterday, with less detail than the previous version.

1 solution

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Andy Lanng · Answer 1 · 2015-09-24T04:22:00

SQL

Select S.no, Number, Stage from table
where S.no in (3,5,8,12)

See what you get when you don't explain yourself?

This answer is correct as it does answer your question. Because I am nice I will interpret your intent:

SQL

--CTE to enumerate the results
with MyCTE as (
    Select 
        S.no, 
        Number, 
        Stage, 
        -- Row_Number will add an incremental number
        Row_Number () OVER (
            -- Split the numbering by first Char of Number ('A', 'B', ...)
            Partition By substring(Number,1,1)  
            -- Order by stage descending so the highest stage will be 1
            Order By Stage desc) as Num
    from table
)
--now select from the CTE:
Select no, Number, Stage
From MyCTE 
Where num = 1