| ID | 
				 int4 | 
				 10 | 
				  | 
				 √ | 
				 null | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Ledger ID  | 
				
				 | ownergroup | 
				 int4 | 
				 10 | 
				 √ | 
				  | 
				 null | 
				 
				  				 
				  | 
				 
				  
				   
					| 
						groups.ID
					 | 
					
						fk_ledgers_ownergroup C
					 | 
				    
				   					 
				  | 
				 Owner group ID (null=PUBLIC)  | 
				
				 | creator | 
				 int4 | 
				 10 | 
				 √ | 
				  | 
				 null | 
				 
				  				 
				  | 
				 
				  
				   
					| 
						users.ID
					 | 
					
						fk_ledgers_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)  | 
				
				 | visibility | 
				 int2 | 
				 5 | 
				  | 
				  | 
				 0 | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Visibility (0=REGULAR, 1=ARCHIVED, 2=DELETED)  | 
				
				 | name | 
				 text | 
				 2147483647 | 
				  | 
				  | 
				 null | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Name  | 
				
				 | description | 
				 text | 
				 2147483647 | 
				  | 
				  | 
				 ''::text | 
				 
				  				 
				  | 
				 
				  					 
				  | 
				 Detailed general description  |