int RegisterTerminal()
  {
   const string folder  = InstanceFolder();
   const string path    = TerminalInfoString(TERMINAL_DATA_PATH);
   const string company = TerminalInfoString(TERMINAL_COMPANY);
   const int    build   = (int)TerminalInfoInteger(TERMINAL_BUILD);
   const long   now     = (long)TimeGMT();

   const string sql =
      "INSERT INTO terminals (folder, path, company, build, first_seen, last_seen) "
      "VALUES (?1, ?2, ?3, ?4, ?5, ?5) "
      "ON CONFLICT(folder) DO UPDATE SET "
      "  path = excluded.path,"
      "  company = excluded.company,"
      "  build = excluded.build,"
      "  last_seen = excluded.last_seen";
   // ... DatabasePrepare / DatabaseBind / DatabaseRead, см. полный листинг
  }