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CHAPTER12

Comparing Designs and the Database

There are many situations when you need to compare either two designs with each other or the design with the database. You can compare two designs either by choosing File | Import | Data Modeler Design or by choosing Tools | Compare/Merge Models. The main difference between these two methods is that in Compare/Merge Models you can compare only the relational and physical models, whereas via Import | Data Model Design you can compare everything in a design. On the other hand, via Compare/Merge Models you can also preview and influence the DDLs that will be generated. A design and a database can be compared ...

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