ClickHouse/docs/ja/engines/database-engines/atomic.md
2021-01-25 23:22:34 +03:00

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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.tech/docs/en/engines/database_engines/atomic/) <!--hide-->