If you want to take advantage of using an ODBMS in the middle tier and have
one or more existing relational databases, you will need to map data from a
relational format to an object format.
This mapping of data can become complex. If
you would code this mapping yourself, the amount of code devoted to
mapping often becomes 30 to 40 percent of your total code. Unfortunately,
that 30 to 40 percent is only mapping, not helping to solving your
business problem. It also adds to the possible defects you may need to fix.
So, if you need to map, consider using an object-relational
mapping product. They will save you time and reduce the number of defects
in your mapping. For more information on object-relational mapping
products, click
here (new window).
An object-relational mapping product is shown at the left of this
figure. It handles the mapping and has a cache much like an ODBMS. Data is
mapped to the ODBMS and from the ODBMS based on the application needs. The
ODBMS provides high-speed performance for the Internet.
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Data Access Patterns: Database Interactions in Object-Oriented Applications (paperback) by Clifton Nock Average Customer Review: based on 7 reviews. Customer Review: I have to disagree with the previous review. I will try to explain why I think 'b88zhou' review is inadequate after presenting my overview of this book. After reading numerous pattern books, it is nice to see a pattern book with very good organization. Each pattern is presented with the following subsections. * Description * Context ...
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Object-Oriented Database Design Clearly Explained by Jan L. Harrington Average Customer Review: based on 7 reviews. Customer Review: "Object Oriented Database Design" is a book for beginners and, as far as I have been able to investigate, it is a perfect walkthrough along the background of object structures. Figures, exemples, syntax of codes and clear explanations lead the learner through theory towards practice. Exemples are often very nice.
based on 7 reviews.
based on 5 reviews.
based on 7 reviews.
