--- title: Data quality properties description: System property that controls how long data quality records are retained in the data quality audit and unmatched resource queue tables. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/integrate-applications/data-quality-properties.html release: australia topic_type: reference last_updated: "2026-06-23" reading_time_minutes: 1 breadcrumb: [Reference, Data Catalog, Workflow Data Fabric] --- # Data quality properties System property that controls how long data quality records are retained in the data quality audit and unmatched resource queue tables. **Note:** To open the System Properties \[sys\_properties\] table, enter `sys_properties.list` in the filter navigator.
| Property | Description |
|---|---|
| **sn\_dcg\_core.dq.purge\_retention\_days** | Number of days that records in the data quality audit \[sn\_dcg\_core\_dq\_audit\] and unmatched resource queue \[sn\_dcg\_core\_dq\_unmatched\_resource\_queue\] tables are retained before the **DCG Core - DQ Daily Maintenance** scheduled job deletes them. Values that are empty, non-numeric, or outside the valid range fall back to the default of 7, and the job records a warning in the system log. - Type: integer - Default value: 7 - Other possible values: Any integer from 1 to 90 |