> ## Documentation Index
> Fetch the complete documentation index at: https://docs.paradime.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Schema Changes

> Elementary Data Schema Changes: Track and manage schema changes in dbt™ projects with Paradime. Ensure accurate and consistent data schemas.

The `elementary.schema_change` test monitors schema changes within your database, providing alerts for critical modifications such as:

* Deleted tables
* Columns being deleted or added
* Changes in a column's data type

### Configuration

<Tabs>
  <Tab title="Models">
    ```yaml theme={"system"}
    version: 2

    models:
      - name: < model name >
        tests:
          - elementary.schema_changes
    ```
  </Tab>

  <Tab title="Models example">
    ```yaml theme={"system"}
    version: 2

    models:
      - name: login_events
        tests:
          - elementary.schema_changes:
              tags: ["elementary"]
              config:
                severity: warn
    ```
  </Tab>
</Tabs>


## Related topics

- [Schema Changes From Baseline](/integrations/elementary-data/schema-tests/schema-changes-from-baseline.md)
- [Schema Tests](/integrations/elementary-data/schema-tests/index.md)
- [Incremental Materialization](/guides/dbt-fundamentals/model-materializations/incremental-materialization/index.md)
- [Paradime Refresh Catalog](/products/bolt/creating-schedules/command-settings/paradime-refresh-catalog.md)
- [Test Code Changes On Pull Requests](/products/bolt/creating-schedules/templates/ci-cd-templates/test-code-changes-on-pull-requests.md)