# SYSTEMCATALOGS: Data Dictionary Catalogs
Catalogs per active data container.
- Catalog: `DataDictionary`
- Schema: `Invantive`
- Alias: `ctg`
- Label: Catalogs
This is a read-only view. The Data Dictionary API may not support changing the data or the Invantive UniversalSQL driver for Data Dictionary does not cover it. In the latter case, please use the table NativePlatformScalarRequests to upload data to the Data Dictionary API.
## View Columns
The columns of the view `SYSTEMCATALOGS` are shown below. Each column has an SQL data type.
| Name | Data Type | Label | Required | Documentation |
|---|:---:|---|:---:|---|
| `NAME` | `varchar2` | Catalog | | Catalog where the tables are contained in. |
| `PROVIDER_DATA_CONTAINER_ALIAS` | `varchar2`(4000) | Data Container Alias | ☐ | Data container alias. |
| `PROVIDER_DATA_CONTAINER_ID` | `varchar2`(4000) | Data Container ID | ☐ | Data container ID. |
| `PROVIDER_DESCRIPTION` | `varchar2`(16000) | Provider Description | ☑ | Provider description. |
| `PROVIDER_INSTANCE_UID` | `guid` | Provider Instance UID | ☑ | Unique ID of the provider instance. |
| `PROVIDER_NAME` | `varchar2`(240) | Provider Name | ☑ | Name of the provider. |
| `PROVIDER_SHORT_NAME` | `varchar2`(240) | Provider Short Name | ☑ | Provider short name. |