ClickHouse/docs/en/sql-reference/statements/exchange.md

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toc_priority: 49
toc_title: EXCHANGE
---

# EXCHANGE Statement {#exchange}

Exchanges the names of two tables or dictionaries atomically.
This task can also be accomplished with a [RENAME](./rename.md) query using a temporary name. But the operation in not atomic in that case.

!!! note "Note"
    The `EXCHANGE` query is supported by the [Atomic](../../engines/database-engines/atomic.md) database engine only.

**Syntax**

```sql
EXCHANGE TABLES|DICTIONARIES [db0.]name_A AND [db1.]name_B
```

## EXCHANGE TABLES {#exchange_tables}

Exchanges the names of two tables.

**Syntax**

```sql
EXCHANGE TABLES [db0.]table_A AND [db1.]table_B
```

## EXCHANGE DICTIONARIES {#exchange_dictionaries}

Exchanges the names of two dictionaries.

**Syntax**

```sql
EXCHANGE DICTIONARIES [db0.]dict_A AND [db1.]dict_B
```

**See Also**

-   [Dictionaries](../../sql-reference/dictionaries/index.md)