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OCA/OCP Oracle Database 12c All-in-One Exam Guide (Exams 1Z0-061, 1Z0-062, & 1Z0-063), 2nd Edition by Bob Bryla, Roopesh Ramklass, John Watson

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INTRODUCTION

There is an ever-increasing demand for staff with IT industry certification. The benefits to employers are significant (they can be certain that staff have a certain level of competence), and the benefits to the individuals, in terms of demand for their services, are equally great. Many employers require technical staff to have certifications, and many IT purchasers will not buy from firms that do not have certified staff. The Oracle certifications are among the most sought after. But apart from rewards in a business sense, studying for the exams is an enjoyable process that may allow you to investigate aspects of the database that ...

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