Oracle
1Z0-882 · Question #29
1Z0-882 Question #29: Real Exam Question with Answer & Explanation
The correct answer is C. 20. See the full explanation below for the reasoning.
Question
The friends table has the columns and contents as shown: Mysql> SELECT * FROM friends; This statement was executed: SELECT AVG (age) FROM friends What value is returned?
Exhibit
Options
- ANULL
- B10
- C20
- D0
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