We use timestamps to keep the records of the data online or on the computer. The timestamp shows when certain information is exchanged, created, deleted or modified. In this blog, we will discuss rounding the timestamps.
Truncating or Rounding the Timestamps is useful for “grouping by time.” Following are
some approaches:
DATA_TRUNC function
select date_trunc(‘second’ , now())
Predefined Functions in Snowflake
If we round by year, we can use the year() function (or month(), day(), week(), etc:
select year(getdate()) as year;
Round and Format the result as the string, e.g. ‘09-2021’
But, if we want to distinguish between the months of end years, we have to utilise
“to_varchar()” function:
select to_varchar(getdate(), ‘mm-yyyy’);
select to_varchar(getdate(), ‘dd-mm-yyyy’);
select to_varchar(getdate(), ‘dd-mm-yyyy hh’);
select to_varchar(getdate(), ‘dd-mm-yyyy hh:mm’);
select to_varchar(getdate(), ‘dd-mm-yyyy hh:mm:ss’);
Timestamps are essential to keep the records while information is created, exchanged, and deleted online. I hope this blog provides you with sufficient information about rounding the timestamp.
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Keerthi Sai is a Senior Writer at Mindmajix with tons of content creation experience in the areas of cloud computing, BI, Perl Scripting. She also creates content on Salesforce, Microstrategy, and Cobit.