# PROVIDERTABLEFOREIGNKEYS - Primary Keys: `rowid Can retrieve data and change data using insert, update and delete. ## Table Columns The columns of the table `PROVIDERTABLEFOREIGNKEYS` are shown below. Each column has an SQL data type. A new non-null value must be provided for every required column at all times during insert and update. | Name | Data Type | Label | Required | Documentation | |---|:---:|---|:---:|---| | `COLUMN_NAME` | `varchar2(240)` | Column Name | ☑ | Name of the column. | | `COLUMN_POSITION` | `int32` | Column Position | ☑ | Position of the column within the key, starting at 1. | | `KEY_COLUMN_COUNT` | `int32` | Columns | ☑ | Number of columns of the key. | | `KEY_DESCRIPTION` | `varchar2(4000)` | Description | ☐ | When the relation holds or what it was found on, in words; always filled for a textual or candidate foreign key. | | `KEY_GUARANTEE` | `varchar2(60)` | Key Status | ☑ | What holds the key: 'Declared' (not relied upon), 'Enforced' or 'EnforcedIgnoringTrailingBlanks' (enforced, comparing texts without their trailing blanks). | | `KEY_KIND` | `varchar2(30)` | Key Type | ☑ | Kind of the foreign key: 'Key' (the columns refer to a key of the table referred to), 'Textual' (described in words only, such as a polymorphic reference or a row that may have moved to an archive) or 'Candidate' (follows from the names and holds in the data, but is not stated by the platform). | | `KEY_NAME` | `varchar2(240)` | Key Name | ☐ | Name of the key, when known. | | `REFERENCED_COLUMN_NAME` | `varchar2(240)` | Reference Column Name | ☑ | Name of the column referred to, at the same position in the key referred to. | | `REFERENCED_TABLE_NAME` | `varchar2` | Reference Table | ☑ | Name of the table referred to. | | `REFERENCED_TABLE_SCHEMA_NAME` | `varchar2` | | ☐ | | | `RUN_ID` | `guid` | | ☑ | | | `TABLE_CATALOG_NAME` | `varchar2` | Table Catalog | | Catalog where the tables are contained in. | | `TABLE_FULL_QUALIFIED_NAME` | `varchar2(240)` | Table Full Qualified Name | | Full qualified name. | | `TABLE_NAME` | `varchar2` | Table Name | ☑ | Name of the table or view. | | `TABLE_SCHEMA_NAME` | `varchar2` | Table Schema | | Schema within the catalog where the table is contained in. | | `referenced_table_catalog_name` | `varchar2` | Table Catalog | | Catalog where the tables are contained in. | | `rowid | `number` | Row ID | ☑ | Artificial primary key of an in-memory table. |