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

# CacheInvalidation table

> Names and generation numbers for distributed invalidation of caches

## CacheInvalidation Table (540)

Names and generation numbers for distributed invalidation of caches

## Fields

| Name                  | Description                                                                                        | Type        | Nullable |
| --------------------- | -------------------------------------------------------------------------------------------------- | ----------- | :------: |
| cacheinvalidation\_id | Primary key                                                                                        | PK          |    No    |
| Name                  | The (unique!) name of the cache, which is often, but not always, the same as a physical table name | String(255) |    Yes   |
| Generation            | The 'generation number', starts at 1 and goes up for every registered change                       | Int         |    Yes   |
| LastChange            | The UTC datetime of the last change; for information only                                          | UtcDateTime |    Yes   |
| LastChangeMachine     | The name of the machine where the last change occurred                                             | String(255) |    Yes   |
| FirstChange           | When was the first flush registered for this table/cache                                           | UtcDateTime |    Yes   |

<img src="https://mintcdn.com/superofficeas/-KbDeS3ObOMH8eFq/media/loc/en/database/tables/CacheInvalidation.png?fit=max&auto=format&n=-KbDeS3ObOMH8eFq&q=85&s=af917f601b08d583142bd38c9687d245" alt="CacheInvalidation table relationship diagram" width="156" height="59" data-path="media/loc/en/database/tables/CacheInvalidation.png" />

## Indexes

| Fields | Types       | Description |
| ------ | ----------- | ----------- |
| Name   | String(255) | Unique      |

## Replication Flags

* None

## Security Flags

* No access control via user's Role.


## Related topics

- [What's new in version 10.3.1.759](/release-notes/database/changes-10.3.1.md)
- [What's new in version 10.3.2.841](/release-notes/database/changes-10.3.2.md)
- [What's new in version 10.3.3.610](/release-notes/database/changes-10.3.3.md)
- [What's new in version 10.3.4.448](/release-notes/database/changes-10.3.4.md)
- [What's new in version 10.3.5.599](/release-notes/database/changes-10.3.5.md)
- [What's new in version 10.3.6.552](/release-notes/database/changes-10.3.6.md)