Find the outliers
The previous exercise showed us that Saturday was the busiest day of the month for BikeShare rides. Do you wonder if there were any individual Saturday outliers that contributed to this?
Este exercicio faz parte do curso
Writing Functions and Stored Procedures in SQL Server
Instruções do exercicio
- Use
SUM()andDATEDIFF()to find the Total Ride Hours per day starting from seconds. - Use
CONVERT()toSELECTthe date portion ofStartDate. - Use
DATENAME()andCONVERT()to select theWEEKDAY. - Use
WHEREto only include Saturdays.
exercicio interativo prático
Tente este exercicio completando este código de exemplo.
SELECT
-- Calculate TotalRideHours using SUM() and DATEDIFF()
___(___(___, StartDate, EndDate))/ 3600 AS TotalRideHours,
-- Select the DATE portion of StartDate
___(___, StartDate) AS DateOnly,
-- Select the WEEKDAY
___(___, ___(___, StartDate)) AS DayOfWeek
FROM CapitalBikeShare
-- Only include Saturday
WHERE ___(___, StartDate) = 'Saturday'
GROUP BY CONVERT(DATE, StartDate);