# IDTypes Each YouTrack ID consists of an entity ID, a dash as separator and a sequence number. IDTypes maps the entity ID of YouTrack IDs to an entity name. - Catalog: `YouTrack` - Schema: `Views` This is a read-only view. The YouTrack API may not support changing the data or the Invantive SQL driver for YouTrack does not cover it. In the latter case, please use the table NativePlatformScalarRequests to upload data to the YouTrack API. ## View Columns The columns of the view `IDTypes` are shown below. Each column has an SQL data type. | Name | Data Type | Label | Required | Documentation | |---|:---:|---|:---:|---| | `DESCRIPTION` | `string(80)` | Description | ☑ | | | `ID` | `int16` | ID | ☑ | |