How to GROUP data BY time intervals in SQL?

How to GROUP data BY time intervals in SQL?

By using SQL Server functions, we are able to apply the algorithm as follows:

  1. SELECT.
  2. DATEADD(MINUTE,(DATEDIFF(MINUTE, 0 , E3TimeStamp)/45)*45,0) AS E3TimeStamp,
  3. SUM(Campo1) AS Campo1,
  4. COUNT(*) AS Total.
  5. FROM.
  6. TemperaturasCamara001.
  7. GROUP BY.
  8. DATEADD(MINUTE,(DATEDIFF(MINUTE, 0 , E3TimeStamp)/45)*45,0)

How to group by minutes in SQL?

If you want to group results by minute, then you can use a formatted string. This will group by number of minutes since 1/1/1900 not minute within day. Show activity on this post. Thanks, but this will give me the total count, or I have to run it 60 times.

What is Datepart MySQL?

The DATEPART() function returns a specified part of a date. This function returns the result as an integer value.

How do you divide time into intervals in SQL?

You could create a lookup table with just the times (over 24 hours), and join to that table. You would need to rebase the date to that used in the lookup. Then perform a datediff on the upper and lower intervals to work out their durations. Each middle interval would be 30 minutes.

Can you group by date in SQL?

1 Answer. You can use DATE_FORMAT operator. If you are using this you can easily group the date, timestamp or datetime column using whatever format you want.

Can you group by multiple columns in SQL?

SQL GROUP BY multiple columns is the technique using which we can retrieve the summarized result set from the database using the SQL query that involves grouping of column values done by considering more than one column as grouping criteria.

Is hour a function in SQL?

HOUR() function is a date/time function in standard query language (SQL) that is used to extract the hour part from a given datetime or timestamp data. This function is primarily supported in databases such as MYSQL and ORACLE.

How do you define hours in SQL?


  1. hh is two digits that represent the hour with a range from 0 to 23.
  2. mm is two digits that represent the minute with a range from 0 to 59.
  3. ss is two digits that represent the second with the range from 0 to 59.
  4. The fractional seconds part can be zero to seven digits that has a range from 0 to 9999999.

How do I group by year in SQL Server?

You simply use the aggregate function (here: SUM ) with the correct column and at the end of the query you group by year . You can rename the column using the AS keyword with a new name. In this solution, you don’t use a GROUP BY clause. You can read more about the window functions here.