docs/sql-manual/sql-statements/Utility-Statements/USE.md

---
{
    "title": "USE",
    "language": "en"
}
---

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## Description

The USE command allows us to switch to a specific database or compute group in your SQL environment.

## Syntax

```SQL
USE { [catalog_name.]database_name[@compute_group_name] | @compute_group_name }
```

## Example

1. If the demo database exists in current catalog, try accessing it:

    ```sql
    mysql> use demo;
    Database changed
    ```
2. If the demo database exists in catalog hms_catalog, try switching the catalog and accessing it:

    ```sql
    mysql> use hms_catalog.demo;
    Database changed
    ```

3. If the demo database exists in current catalog and you want to use the compute group named 'cg1', try accessing it:

    ```sql
    mysql> use demo@cg1;
    Database changed
    ```

4. If you want to use only the compute group named 'cg1', try accessing it:

    ```sql
    mysql> use @cg1;
    Database changed
    ```

## Relate Commands

## Keywords

    USE, DATABASE, USER, COMPUTE GROUP