How to Group by Time in Snowflake

By the timestamp column, we can group the data by minute, hour, day, etc. But, sometimes, we cannot get what we need. So, by using the “date_trunc()” function to truncate the timestamp for getting the required output. In this blog, we will learn to group by time in Snowflake.

Snowflake Group by Time

When we have to group the data by the hour, minute, week, day, etc., we can think that we can easily group it by our timestamp column.

If we do that, although, we will get one group per. Second -- possibly not what we require. Rather, we must “Truncate” our timestamp to the granularity we require, like day, hour, week, minute, etc. The function we require is “date_trunc():”

select
data_trunc(‘Day’ , start_date),
count(id) as number_of_sessions
from sessions
group by 2;

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Conclusion:

By using “date_trun()” function we can truncate the timestamp to group the data by minute, week, day, hour, etc. I hope this blog is enough for grouping the data by time.

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Last updated: 04 Apr 2023
About Author

Kalla Saikumar is a technology expert and is currently working as a Marketing Analyst at MindMajix. Write articles on multiple platforms such as Tableau, PowerBi, Business Analysis, SQL Server, MySQL, Oracle, and other courses. And you can join him on LinkedIn and Twitter.

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