30 Oct 18 · Ryan-Dallas ·       Add to Favorites  

How to count the frequency of multiple items in a row and across many rows in a Snowflake table

While performing data analysis, this is a classic scenario where we want to count the number of occurrences of a particular value. 

How to count the number of occurrences of a particular value in a table

EmployeeBadge_colorBadge_valid_days
JohnYellow2
JohnBlue2
JohnBlue2
JohnYellow2



To find the number of occurrences of Badge_color for each employee:

select
Employee,
Badge_color,
count(1) as num_times
from
MY_TABLE
group by Employee, Badge_color;

Ryan-Dallas

posted on 30 Oct 18

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