Managing Databases with Oracle
Which of the following is not true about indexes?

Indexes are created to enable fast retrieval by column values.
Indexes are created with the ALTER TABLE command.
Indexes are created to enforce uniqueness on columns.
Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes.

ANSWER DOWNLOAD EXAMIANS APP

Managing Databases with Oracle
Which statement about sequences is not true?

A sequence is an object that generates a sequential series of unique numbers.
Sequences are most often used to provide values for surrogate keys.
Sequences guarantee valid surrogate key values.
NextVal and CurrVal are both sequence methods.

ANSWER DOWNLOAD EXAMIANS APP