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Fact table rows calls with average number for all calls

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Reference no: EM131439977

Write a query that returns individual row results from the fact table, but also returns the average for all the rows and for each shift using the OVER command. In your query, use those results to calculate the difference between a fact table rows's Calls with the average number for all the calls. Here is a sample of the result set:

FactCallCenterID

Shift

Calls

FullDateAlternateKey

AvgforAllCalls

AvgforShiftCalls

Difference

91

PM2

699

2010-11-23

361

512

338

95

PM2

669

2010-11-24

361

512

308

79

PM2

663

2010-11-20

361

512

302

51

PM2

648

2010-11-13

361

512

287

115

PM2

632

2010-11-29

361

512

271

Reference no: EM131439977

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