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Question ID 1664

In which scenario would an index be most useful?

Option A

A.    The indexed columns are part of an expression.
 

Option B

B.    The indexed column is declared as NOT NULL.

 

Option C

C.    The indexed column contains a wide range of values.
 

Option D

D.    The indexed columns are used in the FROM clause.

Correct Answer C
Explanation


Question ID 1667

In which scenario would an index be most useful?

 

Option A

 

A.    The indexed columns are part of an expression.
 

Option B

 

 

B.    The indexed column is declared as NOT NULL.

 

 

 

Option C

C.    The indexed column contains a wide range of values.
 

Option D

D.    The indexed columns are used in the FROM clause.

Correct Answer C
Explanation

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