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Exercise: Compare useful statistics using various date functions
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If you haven't already done so, run the SQL script in the above folder (copying and commercial use prohibited) to generate a database called MAM. Also if you haven't already done so, run the spCreateCalendarTable stored procedure to create a calendar table.
Create a new workbook, and within this create a data model incorporating the tblCalendar, tblPos and tblTransaction tables.
See how many of the following calculated fields you can create (here we're showing figures for 2014, using a year filter):
See overleaf for hints!
Here are some notes on how to create each of the 5 columns in the pivot table shown on the previous page:
|This period||This is just the sum of the quantity sold (you can just use an implicit calculated field).|
|Last year total||Use the PARALLELPERIOD function to show total quantity sold for the whole of the previous year.|
|PercentLastYear||Divide the first column by the second. You should wrap this in an IFERROR function to return BLANK if there's a problem, otherwise this will give an error for 2013.|
|YearToDate||A simple (!) TOTALYTD function.|
|LastYearYTD||Use a combination of the SAMEPERIODLASTYEAR and DATESYTD functions (you may need to refer to the example in the course manual for help).|
Save this workbook as Impressive stuff, then close it down.