Test FUNCTIONs
Now it's time to test the three functions you wrote in the previous exercise.
Latihan ini adalah bagian dari kursus
Writing Functions and Stored Procedures in SQL Server
Petunjuk latihan
- Display the first 100 records of
PickupDate,TripDistanceandFareAmountfromYellowTripData. - Determine the shift value of
PickupDateby passing the hour value todbo.GetShiftNumberfunction; display the shift and include it in theWHEREclause for shifts = 2 only. - Convert
TripDistanceto kilometers withdbo.ConvertMiletoKmfunction. - Convert
FareAmountto Euro (with exchange rate of 0.87) with thedbo.ConvertDollarfunction.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
SELECT
-- Select the first 100 records of PickupDate
TOP 100 ___,
-- Determine the shift value of PickupDate
dbo.___(___(___, ___)) AS 'Shift',
-- Select FareAmount
FareAmount,
-- Convert FareAmount to Euro
dbo.___(___, 0.87) AS 'FareinEuro',
-- Select TripDistance
TripDistance,
-- Convert TripDistance to kilometers
dbo.___(___) AS 'TripDistanceinKM'
FROM YellowTripData
-- Only include records for the 2nd shift
WHERE dbo.___(___(___, ___)) = 2;