key_column_usage
Overview
This table is solely for compatibility with MySQL behavior. It is always empty.
Database
information_schema
Table Information
| Column Name | Type | Description |
|---|---|---|
| CONSTRAINT_CATALOG | varchar(64) | |
| CONSTRAINT_SCHEMA | varchar(64) | |
| CONSTRAINT_NAME | varchar(64) | |
| TABLE_CATALOG | varchar(64) | |
| TABLE_SCHEMA | varchar(64) | |
| TABLE_NAME | varchar(64) | |
| COLUMN_NAME | varchar(64) | |
| ORDINAL_POSITION | bigint | |
| POSITION_IN_UNIQUE_CONSTRAINT | bigint | |
| REFERENCED_TABLE_SCHEMA | varchar(64) | |
| REFERENCED_TABLE_NAME | varchar(64) | |
| REFERENCED_COLUMN_NAME | varchar(64) |
