Online Access Free Oracle.1Z0-171.v2026-07-20.q53 Practice Test (Page 8)

What is the default order of evaluation when multiple SET operators are used in a query?

A.INTERSECT, MINUS, UNION

B.UNION, MINUS, INTERSECT

C.UNION, INTERSECT, MINUS

D.INTERSECT, UNION, MINUS

What happens when the maximum value of a sequence is reached?

A.The sequence stops generating values.

B.The sequence resets to the starting value if the CYCLE option is specified.

C.An error is raised, and the sequence must be recreated.

D.The sequence starts decrementing values.

Which of the following can be achieved using a correlated subquery?

A.Comparing each employee's salary to the average salary of their department

B.Retrieving duplicate records from a single table

C.Joining two tables without a common column

D.Inserting data into a table

Which statement can be used to undo changes made in a transaction?

A.SAVEPOINT

B.COMMIT

C.ROLLBACK

D.MERGE

Which clause in a SQL SELECT statement is used to define the columns to be retrieved?

A.WHERE

B.FROM

C.SELECT

D.GROUP BY

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