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Help with Updates on mu table.


ravi_doddapaneni

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My Table has 4 columns.

 

Indication    Value  Start    END

0                  4

1                  3

1                  7

0                  3

1                  2

1                  7

I want to UPDATE above table START and END columns based on the following formula:

 

if Indication = 0 then START=1 and END=VALUE;

else START=(previous_row)END, END=START+VALUE;

 

The end table should like this:

Indication    Value  Start    END

0                  4          1          4

1                  3          4          7

1                  7          7        14

0                  3          1          3

1                  2          3          2

1                  7          2          9

 

Please someone help, i have been trying but could not fid a way to access previous row info.

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