Select Database >> Diff Schema... to create a merged schema view where:
An object found in the first schema and not in the second will have a status of removed . An object with a status of removed is not
included in the schema diagram, but can be seen in the Database Structure view.
An object found in the second schema and not in the first will have a status of added .
An object with the same name in both schemas but whose properties have changed in the second
will have a status of modified .
Figure 1. Selecting two meta-schema files to compare with Schema Diff