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Access 2002: Selecting necessary data from several tables

D>M

I have table "statistic".

I have to make next representation:

Network group
Number of calls
Number of impulse
Impulse cost
Profit


1. Network group: is first two numbers from 8 numbers from seventh field in
table called "TELEPHONE NUMBER".How to do this ?

2. Number of Calls: Total number from "START_TIME"; This I know;

3. Number of impulse:

END_TIME-START_TIME / impulse_lenght*Impulse_cost; How to do this ???

4. Impulse cost is parametar (manual enter)

5. Profit according to network group. How to do this ???

Thanks, I hope You can help me, please contact me if you need more
informations.


Nov 12 '05 #1
0 945

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