_Entity.DB_query_date
| Description | Last date that a query was conducted to locate entries in databases that are related to this molecular entity. | 
| Details: | |
| Parent saveframe | entity | 
| Data type | yyyy-mm-dd | 
| DB table | Entity | 
| DB column | DB_query_date | 
| DB type | DATETIME year to day | 
| NULL allowed | yes | 
| ADIT-NMR deposition system prompt | DB query date |