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OCA Oracle Database 12c SQL Fundamentals I Exam Guide (Exam 1Z0-061), 2nd Edition by Roopesh Ramklass

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CERTIFICATION OBJECTIVES
   image    Two-Minute Drill
Functions that operate on numeric, date, and character information were discussed in Chapter 4, and familiarity with that content is assumed in this chapter. Sometimes data is not available in the exact format a function is defined to accept, resulting in a data type mismatch. To avoid mismatch ...

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