| rt_role |
| Logical Entity Name | rt_role |
| Default Table Name | rt_role |
| Definition | This table is used to store information about the current status of the RT machine. RT System runs two machines in parallel. One is always 'primary' and another is always 'shadow'. You can find out using this table if the machine in question is primary or shadow. Whenever the status of the RT machine change from 'primary' to 'shadow' or vice versa, the entry is created in the table with the timestamp |
| rt_role Columns |
| ColumnName | Domain | Datatype | NULL | Definition |
| primary_system | VARCHAR2(5) | YES | It stores (not enforced) two string values in the field. 'true' and 'false'. If the value is 'true', the system is primary and if the value is 'false' the system is shadow | |
| modification_time | DATE | YES | Time when status is updated |
| rt_role Primary and Unique Keys |
| Key Name | Key Type | Keys |
| rt_role Foreign Keys |
| Parent Relationships: |
| Table Name | Type | Cardinality | Constraint Name | VerbPhrase | InversePhrase | Foreign Keys | Is Supertype | Deferrable |
| Child Relationships: |
| Table Name | Type | Cardinality | Constraint Name | VerbPhrase | InversePhrase | Foreign Keys | Is Subtype | Deferrable |
| rt_role Check Constraints |
| Check Constraint Name | CheckConstraint |
| rt_role01 | primary_system IN ('true', 'false', 'TRUE', 'FALSE') |