Which of the following is not true about indexes? - Oracle Quiz

Oracle - Quiz(MCQ)

Which of the following is not true about indexes?

A)

Indexes are created to enforce uniqueness on columns.

B)

Indexes are created to enable fast retrieval by column values.

C)

Indexes are created with the ALTER TABLE command.

D)

Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes.

Correct Answer : Indexes are created with the ALTER TABLE command.

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Which of the following is/are the default index(es) provided by Oracle Database 12c?

A)

Domain index

B)

Bitmap index

C)

Global and local

D)

B - tree index

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System Global Area (SGA)

B)

Program Global Area (PGA)

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Program Global Area (PGA)

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Mac OS platform

B)

Windows platform

C)

Unix platform

D)

Linux platform

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