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<p><b><span style="font-size:22pt">Explaination 080: </span></b></p>
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You will use a nonequijoin query to find the tax percentage for each of the employees because you will check range of salaries without usage of equality operations in a comparison joining data from two tables. <br>
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Incorrect Answers <br>
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B: You will use equijoin query because EMPLOYEES and DEPARTMENTS tables will be joined with equality operator. <br>
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C: It will be equijoin query because EMPLOYEES and DEPARTMENTS tables will be joined with equality operator. <br>
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D: You will use equijoin query because EMPLOYEES and DEPARTMENTS tables will be joined with equality operator. <br>
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E: It will be equijoin query because of equality operator in join condition of two tables. <br>
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OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 99-107 <br>
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Chapter 3: Advanced Data Selection in Oracle
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