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OCA Oracle Database 11g: SQL Fundamentals I: A Real-World Certification Guide by Steve Ries

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Working with SQL

'Often, the best way to learn something is hands-on. To best facilitate this, we will use a scaled-down set of data that mirrors the type of data used in the real world.

Introducing the Companylink database

This book focuses on two objectives:

  1. To prepare you for the 11g SQL Fundamentals I exam (Oracle exam #1Z0-051).
  2. To present the knowledge needed for the exam in such a way that you can use it in a real-world setting.

To that end, rather than using the default tables included in Oracle, we will be working with simulated real-world data. The database we will use throughout this book is for the fictional company, Companylink. Although most people are aware of the impact of social networking in our private lives, companies are realizing ...

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