Chapter 3 DBMS Reference Guide
A DBMS definition file is a PowerDesigner resource file that provides PowerDesigner with the information necessary to model, reverse-engineer, and generate a particular DBMS.
PowerDesigner provides definition files for most popular DBMSs. The DBMS definition files are located in install_dir/Resource Files/DBMS, and have an .xdb extension.
You can consult or modify a DBMS definition file using the Resource Editor. When you select a category or an item in the left-hand pane, the name, value, and related comment appear in the right side of the dialog box.
To open your target DBMS definition file in the Resource Editor:
Caution
You should never modify the DBMS files shipped with PowerDesigner. You should instead copy the DBMS to create a new one. To do so, create a new DBMS from the List of DBMS, define a name, and then select the original file in the Copy From list. For more information, see "Creating a new definition file" in the "The Resource Editor" chapter.
For more information on using the editor, see the "The Resource Editor" chapter.
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