The SYS_KEY_COLUMN_USAGE table contains information to match columns with constraints. It has the following columns:
Column Name |
Data Type |
Description |
|---|---|---|
| CONSTRAINT_CATALOG | VARCHAR(128) | Top-level container for constraints. Not used in dotConnect for BigCommerce. Always NULL. |
| CONSTRAINT_SCHEMA | VARCHAR(128) | Second-level container for constraints. Not used in dotConnect for BigCommerce. Always NULL. |
| CONSTRAINT_NAME | VARCHAR(128) | The name of the constraint. |
| TABLE_CATALOG | VARCHAR(128) | Top-level container for tables. Not used in dotConnect for BigCommerce. Always NULL. |
| TABLE_SCHEMA | VARCHAR(128) | Second-level container for tables. Not used in dotConnect for BigCommerce. Always NULL. |
| TABLE_NAME | VARCHAR(128) | The name of the BigCommerce object which the field belongs to. |
| COLUMN_NAME | VARCHAR(128) | The name of a BigCommerce object field. |
| ORDINAL_POSITION | INT | The position of the field in the key. |