How to write a Common Table Expression(CTE) in Snowflake

In Snowflake, we use Common Table Expressions for dividing complex queries. Common Table Expressions(CTEs) define column names, query expressions, and a temporary view’s name. In this blog, you will learn to create Common Table Expressions.

Write a Common Table Expression(CTE) in Snowflake

Common Table Expressions are the best way to divide the difficult queries. Snowflake also endorses this functionality.

Example for CTE:

with free_users1 as (
select *
from users1
where plan = ‘premium.’
)
select user_sessions . *
from user_sessions1
Inner join free__users1 on free_users1.id1 = user_sessions.user_id1
order by free_users1.id1;

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Conclusion

Common Table Expressions are the subqueries specified in the “WITH” clause. Snowflake uses CTEs for separating queries. I hope this is sufficient for working with the CTEs.

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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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