File extension convention in progress openedge

     Progress open edge files are having its own extinction convention as others before you want to know about database it'll be helpful if you know the types of file. Here I've mentioned almost important such file extinction.

   .st                                database structure file

   .pf                                parameter file
   .b1-.bn                         before image file
   .a1-.an                          after image file
   .d1-.dn                         data files
   .lg                                 db log file
   .db                               control file
   .lic                                license file
   .df                                definition file
   .d                                 data file

   .cfg                              progress license details file
   .properties                   properties file
   .bd                              binary dump file
   .lk                               DB lock file