> ## 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.

# Protected tables

> Lists tables that cannot be used for mass operations.

These tables are protected and therefore cannot be used by the mass operations API. An `SoDbAccessException` is thrown if any of these tables are targeted.

## Tables list

| Area                        | Tables                                                                            |
| --------------------------- | --------------------------------------------------------------------------------- |
| Users                       | associate,ejuser, credentials                                                     |
| Licenses                    | modulelicense, modulelicenselink,moduleowner, licenseassoclink                    |
| Roles and rights            | functionright, role, functionrightrolelink, userrolelink                          |
| Service and Customer Center | registry, config, user\_candidate, user\_attribute, login,login\_customer,locking |
| ERP sync                    | erpconfiguration, erpconnection, erpconnector, erpconnectionaccess                |
| General                     | travelcurrent, batch task                                                         |
| Email configuration         | email\_account                                                                    |
| Database model              | databasemodel, sequence                                                           |


## Related topics

- [Working with Delete](/en/api/bulk-operations/mass-operations/delete.md)
- [SuperOffice.WebApi.Data.UserPreferenceStrings.Numbering](/en/api/reference/webapi/SuperOffice.WebApi.Data.UserPreferenceStrings.Numbering.md)
- [SuperOffice.WebApi.Data.PrefDescAccessFlags](/en/api/reference/webapi/SuperOffice.WebApi.Data.PrefDescAccessFlags.md)
- [Endpoints](/en/api/web-services/endpoints/index.md)
- [Enum PrefDescAccessFlags](/en/automation/crmscript/reference/CRMScript.NetServer.PrefDescAccessFlags.md)
- [Enum values for PrefDescAccessFlags](/en/database/tables/enums/prefdescaccessflags.md)