Examine the structure of the EMP_DEPT_VU view: Which SQL statement produces an error?

The correct answer is E. None of the statements produce an error; all are valid. None of the statements produce an error. Incorrect answer: A Statement will not cause error B Statement will not cause error C Statement will not cause error D Statement will not cause error

Creating and Managing Schema Objects

Question

Examine the structure of the EMP_DEPT_VU view:

Which SQL statement produces an error?

Exhibit

Options

ASELECT *
BSELECT department_id, SUM(salary)
CSELECT department_id, job_id, AVG(salary)
DSELECT job_id, SUM(salary)
ENone of the statements produce an error; all are valid.

How the community answered

(49 responses)

A
4% (2)
B
2% (1)
C
16% (8)
D
6% (3)
E
71% (35)

Explanation

None of the statements produce an error. Incorrect answer: A Statement will not cause error B Statement will not cause error C Statement will not cause error D Statement will not cause error

Topics

#views#SELECT on view#view query restrictions#aggregation

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