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need sql CASE statement to replace excel formula

Posted on 2016-08-10
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Last Modified: 2016-08-11
I have  a table with field names "0616" "0716" "0816" etc for 24 months. These fields contain numbers.
I also have a field that gets todays date and translates it to "0616" or "0716" etc.
I need a CASE statement to replace this excel formula.
=IF(TDMMYY="0816",(N2+O2),IF(TDMMYY="0916",(N2+O2+P2),IF(TDMMYY="1016",(N2+O2+P2+Q2))))

I think it would start
CASE
WHEN 'TDMMYY' = '0816' THEN ...
what would the expression be to add the numbers from the fields named "0716" + "0816" + "0916"
please see attached sheet for screen shots that may make this clearer.

As always, Thanks you for your assistance.
case.docx
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Question by:actsoft
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LVL 75

Expert Comment

by:Aneesh Retnakaran
ID: 41751015
= CASE(ddmmyy) WHEN '0816' THEN n2+o2 WHEN '0916' THEN N2+O2+P2 WHEN '1016' THEN  N2+O2+P2+Q2 ELSE 0 END
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Author Comment

by:actsoft
ID: 41751030
in the table the field names are not "n2" and "o2" they are "0716" and "0816".
so will
WHEN TTMMYY = '0816' THEN 0716+0816
add the amount in those fields together to get the total?
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LVL 75

Accepted Solution

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Aneesh Retnakaran earned 500 total points
ID: 41751055
WHEN TTMMYY = '0816' THEN [0716]+[0816]
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LVL 69

Expert Comment

by:Scott Pletcher
ID: 41751059
CASE TDMMYY
    WHEN '0816' THEN [0716] + [0816]
    WHEN '0916' THEN [0716] + [0816] + [0916]
    WHEN '1016' THEN ...
    END AS TYSTD
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Author Closing Comment

by:actsoft
ID: 41752037
That worked with the addition of the full table and field name. thanks
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