The USURDRIR table is used for referential Integrity process. The following table describes the columns in the USURDRIR table:
| Column | Type | Length | Decimal | Domain | 
|---|---|---|---|---|
| MCRECID | BINARY | 4 | 0 | machine/company ID | 
| DBNAME | CHARACTER | 128 | 0 | Database Name | 
| PSNAME | CHARACTER | 128 | 0 | Primary Key Schema Name | 
| PTNAME | CHARACTER | 128 | 0 | Primary Key Table Name | 
| PKNAME | CHARACTER | 128 | 0 | Primary Key Name | 
| PKCOLNAM | CHARACTER | 128 | 0 | Field included in Primary Key | 
| KCOLSEQ | BINARY | 4 | 0 | Field sequence in Primary Key | 
| KUPRULE | BINARY | 4 | 0 | Primary Key Update Rule | 
| KDELRULE | BINARY | 4 | 0 | Primary Key Delete Rule | 
| FSNAME | CHARACTER | 128 | 0 | Foreign Key Schema Name | 
| FTNAME | CHARACTER | 128 | 0 | Foreign Key Table Name | 
| FKNAME | CHARACTER | 128 | 0 | Foreign Key Name | 
| FKCOLNAM | CHARACTER | 128 | 0 | Field Included In Foreign Key |