The DDF Periscope editor provides the following functionality:

  • DDF dictionaries:
    • processing standard files file.ddf, fields.ddf, index.ddf;
    • processing the additional file comment.ddf;
    • processing additional files of extended descriptions fieldinf.ddf, tableinf.ddf;
    • storage the extended description of the data dictionary;
    • storage additional properties of the table, which necessary for correct creation (for example, a page size, presence of a variable part etc.);
    • storage the additional extended comments for tables and fields;
    • storage tables ACS - alternate collating sequence;
    • processing data types integer(8), extended(10) for table fields;
    • printing tables structure reports;
    • copying/editing/pasting table structure through the clipboard;
    • reading and analysis of a physical datafile and semi-automatic creation of table structure;
    • generation program code template for the table;
    • mapping of complete argument list of the table;
    • automatic matching table description in the dictionary with parameters of a physical datafile and informing user about retrieved discrepancies;
    • four modes opening data dictionaries:
      • normal;
      • read-only;
      • exclusive;
      • accelerate.
    • review the current version of libraries of client access and the server when working with the dictionary1 .

  • Data tables:
    • creation/editing/deleting records;
    • index data search;
    • search by a value of a table current field;
    • batch operation of records at range index mode;
    • batch operation of records at filter mode by any collection of fields;
    • OEM/ANSI data conversion;
    • review/editing variable part of records in hexadecimal representation and review in character representation;
    • import data from butil-compatible format;
    • export data to format:
      • butil-compatible format;
      • another Btrieve data file;
      • text file - fields with an arbitrary separator;
      • HTML/XML;
      • Microsoft Excel.
    • four modes opening data tables:
      • normal;
      • read-only;
      • exclusive;
      • accelerated.

  • Server monitoring1:
    • review a list of users connected to server in section of hosts;
    • review a list of files opened by the user;
    • disconnect user from server;
    • disconnect all connected users from server;
    • viewing database server state;
    • viewing database server communication state;
    • auto-refresh server state lists.

The editor is realized as the application for the 32-bit environment Microsoft Windows (9x/NT/2000/XP)2.

For operation editor base functions the library of client access to Btrieve server is required. For operation of all editor functions (for example, monitoring) it's necessary install a client part of access to Pervasive. SQL.

1Only for Pervasive.SQL versions supporting this mode.

2Windows, Windows NT, Windows 2000, Windows XP are registered trademarks of the corporation Microsoft Corporation Inc. Btrieve, Pervasive, Pervasive.SQL are registered trademarks of the Pervasive Software Inc.