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READ Free Dumps For Oracle- 1z1-051





Question ID 4862

Exhibit: * Missing*
View the Exhibit for the structure of the STUDENT and FACULTY tables .You need to display the faculty name followed by the number of students handled by the faculty at the base location. Examine the following two SQL statements:
Statement 1
5QL>SELECT faculty_name,COUNT(smdent_id)
FROM student JOIN faculty USING (faculty_id. location_id)
GROUP BY faculty_name
Statement 2
5QL>SELECTfaculty_name.COUNT(smdent_id) FROM student NATURAL JOIN faculty
GROUP BY faculty_name
Which statement is true regarding the outcome?
 

Option A

A.    Only statement 1 executes successfully and gives the required result.
 

Option B

B.    Only statement 2 executes successfully and gives the required result.
 

Option C

C.    Both statements 1 and 2 execute successfully and give different results.
 

Option D

D.    Both statements 1 and 2 execute successfully and give the same required result.
 

Correct Answer D
Explanation


Question ID 4863

Which statement is true regarding the COALESCE function?
 

Option A

A.    It can have a maximum of five expressions in a list.
 

Option B

B.    It returns the highest NOT NULL value in the list for all rows.
 

Option C

C.    It requires that all expressions in the list must be of the same data type.
 

Option D

D.    It requires that at least one of the expressions in the list must have a NOT NULL value.
 

Correct Answer C
Explanation

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