THE SESSION UPDATES THE COPY OF THE BLOCK IN MEMORY AND WRITES OUT THE CHANGE VECTOR TO THE LOG BUFFER

6.

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A. The session updates the copy of the block in memory and writes out

the change vector to the log buffer.

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B, C, and D. B is wrong, because while this will happen, it does not

happen when the change is made. C is wrong because it confuses the session

making changes in memory with LGWR propagating changes to disk. D is

wrong because all changes to data occur in memory as they are made—the

COMMIT is not relevant.