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Introduction to Oracle9i: SQL Exam ( 178 questions with 100% CORRECT ANSWERS) HIGH GRADES
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Question 1. When could an index decrease the speed of a query? A. The table is small. B. The column is used in a WHERE clause. C. The column contains a wide range of values. D. The column contains a large number of null values. Ans: A Question 2. What is the syntax for removing a PRIMARY KE...
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