
It has the same name as the of the ZIP file, but with the extension. This file contains the objects extracted from the repository and formatted in XML. mdl extension and contains the following files: The Metadata Export Utility extracts metadata objects from a repository and writes the information into a ZIP format file. This section contains the following topics: For more information about metadata change management, see Chapter 32, "Managing Metadata Changes". Use snapshots for metadata backup and version management. Snapshots enable you to capture definitions of metadata objects using Warehouse Builder scripts. You can also perform metadata change management by taking snapshots of your metadata using Warehouse Builder Design Center or OMB Plus scripting. The MDL enables you to copy or move metadata objects between repositories, even if those repositories reside on platforms with different operating systems. You can enter annotations for your MDL export file to keep track of the information contained in the file. You can then move exported files into a third-party version control tool such as Oracle Repository, ClearCase, or SourceSafe. You can import and export metadata for any type of object on the Project Explorer, Global Explorer, and Connection Explorer using the Metadata Loader (MDL) utility. Warehouse Builder provides several features that enable you to copy and move metadata for the purposes of backup, history management and version management.

Then choose another program and check the "Always Open With" box.

Mac: Right click (or Ctrl-click) the MDL file, then click "Open with" > "Other.". Now select another program and check the box "Always use this app to open *.MDL files". Windows: Right click on any MDL file and then click "Open with" > "Choose another app". Associate the MDL file extension with the correct application.
