| Project Data Tables Database > td Schema : td.CRITERION_COVERAGE Table | 
A REQ_COVER record is a link between a requirement and a test. The criterion specified by CRC_CRITERION_ID is a criterion of the test in the REQ_COVER record specified with CRC_REQ_COVER_ID.
A record of this table specifies that the specified criterion of the test from the REQ_COVER record covers the requirement from that REQ_COVER record.
| Column Name | Description | Datatype | Length | Allow Nulls | Default | Formula | |
|---|---|---|---|---|---|---|---|
   | CRC_ID | The record ID. | int | 4 | |||
| CRC_REQ_COVER_ID | The ID of the requirement coverage (REQ_COVER). | int | 4 | ||||
| CRC_CRITERION_ID | The ID of the covering criterion (TEST_CRITERIA). | int | 4 | ||||
| CRC_VTS | The version time stamp. | varchar | 20 | ![]()  | 
| Index | Description | Primary | Unique | 
|---|---|---|---|
| CRC_CRITERION_IDX | |||
| CRC_PRIMARYKEY | ![]()  | ![]()  | |
| CRC_REQ_COVER_IDX | ![]()  | ||
| CRC_VTS_IDX | ![]()  |