Oracle
1Z0-047 · Question #76
1Z0-047 Question #76: Real Exam Question with Answer & Explanation
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Question
Given below is a list of functions and their purpose in random order. Function Purpose 1)NVL a) Used for evaluating NOT NULL and NULL values 2)NULLIF b) Used to return the first non- null values in a list of expressions 3)COALESCE c) Used to compare two expressions. If both are same, it returns NULL; otherwise, it returns only the first expression. 4)NVL2 d) Used to convert NULL values to actual values Identify the correct combination of functions and their usage.
Options
- A1-a, 2-c, 3-b, 4-d
- B1-d, 2-c, 3-b, 4-a
- C1-b, 2-c, 3-d, 4-a
- D1-d, 2-b, 3-c, 4-a
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