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Database Modeling with Microsoft® Visio for Enterprise Architects
book

Database Modeling with Microsoft® Visio for Enterprise Architects

by Terry Halpin, Ken Evans, Pat Hallock, Bill Maclean
September 2003
Intermediate to advanced content levelIntermediate to advanced
425 pages
16h 30m
English
Morgan Kaufmann
Content preview from Database Modeling with Microsoft® Visio for Enterprise Architects
8.1 Reverse Engineering to ORM
Ideally, you should always develop a database by forward engineering from ORM to a
logical model and then to a physical database schema. This is feasible if you are devel-
oping a new database from scratch. In practice, however, you might also need to mod-
ify existing databases that might not have been forward engineered from ORM. These
databases might also be populated with large volumes of data.
If the database was originally forward engineered from ORM, but changes were later
made directly to the physical database, you can reverse engineer those changes to the
logical model by refreshing it (see Chapter 16), and then ...
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Publisher Resources

ISBN: 9781558609198