You can configure project's settings to specify the root locations of the package hierarchies for offline database objects available to that project. The database path is configured by default, so you only need to change it if you want to:
Offline database objects can be shared between projects by adding their file system location to the database path for a project. The order in which file system locations are entered in the database path signifies the order in which the folders are searched for an offline database objects. The first location in the database path is the location in which new offline database object files are stored.
If you are modeling database objects, both the database path and model path (located on the Modelers preferences page) are used to create the diagram. You must ensure that the database path specifies the location of the definitions of all the offline database objects displayed on the diagrams in your project.
Note: When you are adding another database path to a project, you should save your work before proceeding. When you change the database path, the project reloads the offline database object definitions and any unsaved work for example, changes to tables, views, schemas or new objects that you have not yet saved, may be lost.
Setting the database path for a project:
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Creating New Offline Database Definitions
Working with Offline Database Definitions
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