| ID | 
				 int8 | 
				 19 | 
				  | 
				 √ | 
				 null | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Permission ID  | 
				
				 | creator | 
				 int4 | 
				 10 | 
				 √ | 
				  | 
				 null | 
				 
				  				 
				  | 
				 
				  
				   
					| 
						users.ID
					 | 
					
						fk_permissions_creator N
					 | 
				    
				   					 
				  | 
				 Creator user ID (defaults to authenticated user on creation)  | 
				
				 | creationdate | 
				 int8 | 
				 19 | 
				  | 
				  | 
				 date_part('epoch'::text, now()) | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Creation date and time as a Unix time stamp (defaults to current date and time on creation)  | 
				
				 | lastmodified | 
				 int8 | 
				 19 | 
				  | 
				  | 
				 date_part('epoch'::text, now()) | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Last modification date and time as a Unix time stamp (auto-reset on modification)  | 
				
				 | group | 
				 int4 | 
				 10 | 
				  | 
				  | 
				 null | 
				 
				  				 
				  | 
				 
				  
				   
					| 
						groups.ID
					 | 
					
						fk_permissions_group C
					 | 
				    
				   					 
				  | 
				 Group ID  | 
				
				 | identifier | 
				 text | 
				 2147483647 | 
				  | 
				  | 
				 null | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Permission identifier (Pattern: ^[\w.:-]+$)  | 
				
				 | writable | 
				 int2 | 
				 5 | 
				  | 
				  | 
				 0 | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Allow writing of permission-specific data by group members  |