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Beginning Oracle PL/SQL, Second Edition by Donald J. Bales

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CHAPTER 6

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Object-Relational SQL

It was the philosopher George Santayana who stated, “Those who cannot remember the past are condemned to repeat it.” Philosophy is an interesting pursuit from my point of view because it looks at very high-level abstract patterns of behavior. Patterns are repeated data or behavior of a simple or complex nature.

When we build an application, we attempt to model the workflow of the real world in order to automate or organize the workflow to improve how quickly or accurately we can perform its associated work. However, modeling is not only representing what data is used, but also recognizing the patterns of usage: ...

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