troubleshooting Question

(500 pts.) Opposite of sum in a select query

Avatar of Cristal638
Cristal638 asked on
Microsoft Access
12 Comments1 Solution433 ViewsLast Modified:
Hi All,
This might be a simple one, but I can't seem to figure it out.  500 pts. because I need it right away.

I have a query that has 2 records per ID in it.  One for the run month and one for the prior month.

for example:

AsOf      ID      Shift
30-Jun-06      9113      -2.23096039
31-Jul-06      9113      0.278805355
30-Jun-06      9103      2.8866533
31-Jul-06      9103      1.297256548

What I want is the opposite of sum for each ID.
for example:

ID      NewShift
9113      2.509765745
9103      -1.589396753

Any help would be greatly appreciated.

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