Rockwell Automation FactoryTalk Transaction Manager User Guide - Manual (Page 90)

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FactoryTalk Transaction Manager User Guide
90
DSN, which is available to all Microsoft Windows 2003/XP/Vista/2008 R2
services.
If the FactoryTalk Transaction Manager user interface resides on a computer
that is remote from the computer(s) containing the enterprise connector, the
system DSN list comes from the computer where the enterprise connector
resides.
Rockwell Software does not recommend using ODBC data objects if you have an
Oracle database. Instead, use Oracle OCI data objects.
Enterprise Application Objects
The following sections describe how to connect to database objects for the
enterprise application connectors.
Microsoft COM+ Data Objects
FactoryTalk Transaction Manager communicates to COM+ components
through the COM+ enterprise connector service. You can code COM+
components using standard program development tools such as Microsoft
Visual Basic or Microsoft Visual C++ (6.00). These COM+ components
provide reusable functionality for large enterprise systems. COM+
components reside on local or remote servers running Microsoft Windows
2003/XP/Vista/2008 R2.
Data is passed between the client applications and the remote server
components in arguments that can accept many different types of data.
FactoryTalk Transaction Manager restricts the arguments that it can utilize
to scalar variables (variables that contain a single value). The data types that
can be used are String, Integer, Long Integer, Single Float, Double Float,
Byte, Date, and Boolean (True/False) data.
You can create a data object by selecting a COM+ method from the COM+
Connection Definition dialog box.