Mark Needham

A columnar database stores each column on disk separately to cut I/O and compress aggressively. Here is what that means in practice and when to use one.

Learn how databases compress data, the trade-offs between row and column storage, and why ClickHouse delivers industry-leading compression ratios.

The data lakehouse combines the best of data warehouses and data lakes into a unified architecture. We'll explore its key components, advantages, and how ClickHouse fits into this modern analytics platform.

Discover what real-time analytics is, its key benefits, and its use cases, such as fraud detection. Learn how it differs from batch and what to look for in a database.