/plushcap/analysis/clickhouse/clickhouse-postgres-to-clickhouse-data-modeling-tips

Postgres to ClickHouse: Data Modeling Tips

What's this blog post about?

The text discusses how to model data in ClickHouse after replicating it from Postgres using PeerDB. It highlights that ClickHouse and Postgres differ in their data modeling due to being purpose-built databases optimized for specific workloads. The guide covers essential data modeling concepts in ClickHouse, such as replacing merge tree table engine, handling duplicates, nullable columns, data types, ordering key, primary key vs ordering key, modifying the ordering key, and handling DELETEs. It also mentions that more advanced topics will be covered in future blog posts.

Company
ClickHouse

Date published
Aug. 28, 2024

Author(s)
Sai Srirampur

Word count
2009

Language
English

Hacker News points
80


By Matt Makai. 2021-2024.