The _____ Guarantees That If a Portion of a Transaction

question 3

Multiple Choice

The _____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

• A) DO-UNDO-REDO protocol
• B) two-phase commit protocol (2PC)
• C) coordinator protocol
• D) write-ahead protocol

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Definitions:

Excess Blood

A condition where there is more blood in the body or a part of the body than what is considered normal or healthy.

Bone Tissue

A hard, dense connective tissue that forms the structural elements of the skeleton, providing support, protection, and aiding in movement.

Erythropoietin

A hormone produced by the kidneys that stimulates the production of red blood cells in response to low levels of oxygen in the bloodstream.

Red Blood Cell

A type of blood cell responsible for carrying oxygen from the lungs to the rest of the body.