## 37.8. `check_constraint_routine_usage`

 The view `check_constraint_routine_usage` identifies routines (functions and procedures) that are used by a check constraint. Only those routines are shown that are owned by a currently enabled role.

**Table 37.6. `check_constraint_routine_usage` Columns**

|                                                         Column Type<br/><br/> Description                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------|
|           `constraint_catalog` `sql_identifier`<br/><br/> Name of the database containing the constraint (always the current database)            |
|                            `constraint_schema` `sql_identifier`<br/><br/> Name of the schema containing the constraint                            |
|                                        `constraint_name` `sql_identifier`<br/><br/> Name of the constraint                                        |
|             `specific_catalog` `sql_identifier`<br/><br/> Name of the database containing the function (always the current database)              |
|                              `specific_schema` `sql_identifier`<br/><br/> Name of the schema containing the function                              |
|`specific_name` `sql_identifier`<br/><br/> The “specific name” of the function. See [Section 37.45](infoschema-routines.html) for more information.|

