Describe the two-phase commit protocol when one or more of the database managers is using an optimistic concurrency control.
What will be an ideal response?
The validation procedure is performed after the prepare message has been received. If validation is successful the cohort votes ready, otherwise it votes aborting.
You might also like to view...
In block letter format, paragraphs begin at the left margin or may be indented 0.5".
Answer the following statement true (T) or false (F)
An alternative authentication technique involves the use of a secret key to generate a small fixed size block of data known as a __________ or MAC that is appended to the message.
Fill in the blank(s) with the appropriate word(s).
Unicode assigns a unique numeric value to each character used in the written languages of the world.
Answer the following statement true (T) or false (F)
What are infrastructure OSs?
What will be an ideal response?