Oracle 11G OCP 1Z0-053 43

LuiseDalian發表於2014-08-13
(43)View the following SQL statements:

--Transaction T1

INSERT INTO hr.regions VALUES(5, 'Pole');

COMMIT;

--Transaction T2

UPDATE hr.regions SET region_name = 'Poles' WHERE region_id = 5;

COMMIT;

--Transaction T3

UPDATE hr.regions SET region_name = 'North and South Poles 'WHERE region_id = 5;

You want to back out transaction T2. Which option would you use?

A. It is possible,but transaction T3 also backs out.

B. It is possible with the NOCASCADE_FORCE option.

C. It is possible with the NONCONFLICT_ONLY option.

D. It is not possible because it has conflicts with transaction T3.

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