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Exercise

One in one out

Create a function named SumRideHrsSingleDay() which returns the total ride time in hours for the @DateParm parameter passed.

Instructions
100 XP
  • Define input parameter of type date - @DateParm and a return data type of numeric.
  • Use BEGIN/END keywords.
  • In your SELECT statement, SUM the difference between the StartDate and EndDate of the transactions that have the same StartDate value as the parameter passed.
  • Use CAST to compare the date portion of StartDate to the @DateParm.