ClickHouse Performance

Why is ClickHouse so fast?

Introduction Online Analytical Processing Since Michael Stonebraker’s seminal 1986 paper that introduced POSTGRES (and consequently PostgreSQL) to the world, the relational database management system (RDBMS) has been synonymous with the word “database” and indeed the […]

Mastering Hash Joins In Clickhouse
ClickHouse Join

ClickHouse JOIN: Mastering Hash Joins

Introduction In ClickHouse, Hash Joins are a powerful method for combining data from multiple tables efficiently. They fall under the category of “merge joins,” where ClickHouse takes advantage of sorted data structures to speed up the joining […]