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43 lines
893 B
Markdown
43 lines
893 B
Markdown
---
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toc_priority: 49
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toc_title: EXCHANGE
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---
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# EXCHANGE Statement {#exchange}
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Exchanges the names of two tables or dictionaries atomically.
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This task can also be accomplished with a [RENAME](./rename.md) query using a temporary name, but the operation is not atomic in that case.
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!!! note "Note"
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The `EXCHANGE` query is supported by the [Atomic](../../engines/database-engines/atomic.md) database engine only.
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**Syntax**
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```sql
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EXCHANGE TABLES|DICTIONARIES [db0.]name_A AND [db1.]name_B
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```
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## EXCHANGE TABLES {#exchange_tables}
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Exchanges the names of two tables.
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**Syntax**
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```sql
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EXCHANGE TABLES [db0.]table_A AND [db1.]table_B
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```
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## EXCHANGE DICTIONARIES {#exchange_dictionaries}
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Exchanges the names of two dictionaries.
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**Syntax**
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```sql
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EXCHANGE DICTIONARIES [db0.]dict_A AND [db1.]dict_B
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```
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**See Also**
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- [Dictionaries](../../sql-reference/dictionaries/index.md)
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