How to group by time interval in SQL?
By using SQL Server functions, we are able to apply the algorithm as follows:
- SELECT.
- DATEADD(MINUTE,(DATEDIFF(MINUTE, 0 , E3TimeStamp)/45)*45,0) AS E3TimeStamp,
- SUM(Campo1) AS Campo1,
- COUNT(*) AS Total.
- FROM.
- TemperaturasCamara001.
- GROUP BY.
- DATEADD(MINUTE,(DATEDIFF(MINUTE, 0 , E3TimeStamp)/45)*45,0)
How to group by minutes in SQL?
To round UP to the nearest 10 minutes you can do GROUP BY DATEADD(MINUTE, (DATEDIFF(MINUTE, 0, date_column) / 10 * 10) + 10, 0) (and the same in the SELECT clause).
How do I get SQL hourly data?
- You don’t need a subquery (SELECT Hour(NOW())) to obtain HOUR(NOW()) ;
- You can express ( Curdate() + INTERVAL (SELECT Hour(NOW())) hour – INTERVAL 23 hour ) more simply: CURDATE() + INTERVAL HOUR(NOW()) – 23 HOUR. Or, in my view, more clearly: DATE_FORMAT(NOW() – INTERVAL 23 HOUR, ‘%Y-%m-%d %H:00:00’)
What is Interval SQL?
Measures the difference between two points in time. Intervals can be positive or negative. The INTERVAL data type is SQL:2008 compliant, and supports interval qualifiers that are divided into two major subtypes: Day-time: Span of days, hours, minutes, seconds, and fractional seconds. …
How do I get weeks in SQL?
Full query for week start date & week end date
- SELECT DATEADD(DAY, 2 – DATEPART(WEEKDAY, GETDATE()), CAST(GETDATE() AS DATE)) [Week_Start_Date],
- DATEADD(DAY, 8 – DATEPART(WEEKDAY, GETDATE()), CAST(GETDATE() AS DATE)) [Week_End_Date]
How do I display a date in 24 hour format in SQL?
5 Answers. In SQL Server 2012, we can use Format function to have suitable date time format. Use capital letter ‘HH:mm:ss’ for 24 hour date time format.
What is Datepart MySQL?
The DATEPART() function returns a specified part of a date. This function returns the result as an integer value.