Summary of the "mimetypetoext_" fields in ListManager
The mimetypetoext_ (Mime Types to Extensions) table is a lookup table for the allowed document types in the docs_ table. Every DocType_ in the docs_ table should have an entry in the doctypes_ table.
Primary key: none
| 
                     Field Name  | 
                
                     Description  | 
                
                     Version Added  | 
            
| 
                     TypeID_  | 
                
                     (int, NOT NULL)  | 
                
                     
  | 
            
| 
                     ExtensionID_  | 
                
                     (int, NOT NULL)  | 
                
                     
  |