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Truncate dates or times in Snowflake with DATE_TRUNC

Blog post from Metaplane

Post Details
Company
Date Published
Author
Will Harris
Word Count
927
Company Posts That Month
13
Language
English
Hacker News Points
-
Post removed?
No
Summary

The `DATE_TRUNC` function in Snowflake is used to round down dates and timestamps, allowing users to format their time-related data as needed. This function helps eliminate fine-grain details by truncating a date, time, or timestamp to a specified part such as day, month, or year. The syntax for using `DATE_TRUNC` is simple: `DATE_TRUNC(part, date_or_time_expression)`. Common reasons to use `DATE_TRUNC` include aggregating data by a certain timeframe, comparing data against specific time periods, and standardizing timestamps. Other similar functions in Snowflake are `DATE_PART`, which extracts a specific part of a date or time, and `TIMESTAMPADD`, which adds or subtracts time units from a timestamp.

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