Best Practices in ClickHouse

This section provides the best practices you will want to follow to get the most out of ClickHouse.

Page	Description
Choosing a Primary Key	Guidance on selecting an effective Primary Key in ClickHouse.
Select Data Types	Recommendations for choosing appropriate data types.
Use Materialized Views	When and how to benefit from materialized views.
Minimize and Optimize JOINs	Best practices for minimizing and optimizing JOIN operations.
Choosing a Partitioning Key	How to choose and apply partitioning keys effectively.
Selecting an Insert Strategy	Strategies for efficient data insertion in ClickHouse.
Data Skipping Indices	When to apply data skipping indices for performance gains.
Avoid Mutations	Reasons to avoid mutations and how to design without them.
Avoid OPTIMIZE FINAL	Why OPTIMIZE FINAL can be costly and how to work around it.
Use JSON where appropriate	Considerations for using JSON columns in ClickHouse.