_SG_project.SG_project_ID
| Description | A unique integer identifier for this center |
| Details: | |
| part of local key (identifies unique row in a table in the entry) | |
| Parent saveframe | entry_information |
| Data type | int |
| DB table | SG_project |
| DB column | SG_project_ID |
| DB type | INTEGER |
| NULL allowed | no (mandatory) |
| part of primary key | |
| row index for the table | |