--- toc_priority: 32 toc_title: Atomic --- # Atomic {#atomic} It is supports non-blocking `DROP` and `RENAME TABLE` queries and atomic `EXCHANGE TABLES t1 AND t2` queries. Atomic database engine is used by default. ## Creating a Database {#creating-a-database} ```sql CREATE DATABASE test ENGINE = Atomic; ``` [Original article](https://clickhouse.com/docs/en/engines/database_engines/atomic/)