Using CitectSCADA > Exchanging Data with Other Applications > Using ODBC drivers > Comparing DDE with ODBC

Comparing DDE with ODBC

Each has advantages and disadvantages. In general DDE is suitable for simple requirements but ODBC give serious thought if the limitations of DDE become too restrictive.

DDE Advantages

DDE Disadvantages

ODBC Advantages

ODBC Disadvantages

The JET Engine DLL cannot be directly called on a remote PC, (Reports or MsgRPC() can be used however, to run SQL statements on a Remote Computer which needs to be be running CitectSCADA).

See Also