July 2001
Intermediate to advanced
656 pages
15h 51m
English
book
Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition
by Craig Larman
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34.5. Key Ideas
The following key ideas will be explored in subsequent sections:
Mapping— There must be some mapping between a class and its persistent store (for example, a table in a database), and between object attributes and the fields (columns) in a record. That is, there must be a schema mapping between the two schemas.
Object identity— To easily relate records to objects, and to ensure there are no inappropriate duplicates, records and objects have a unique object identifier.
Database mapper— A Pure Fabrication database mapper is responsible for materialization and dematerialization.
Materialization and dematerialization— Materialization is the act of transforming a non-object representation of data (for example, records) from a persistent ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.