which case is the database buffer cache NOT used?

In which case is the database buffer cache NOT used?

In which case is the database buffer cache NOT used?

A.
when physical I/Os are performed to read from data files

B.
when the database writer process writes to the SYSTEM tablespace

C.
when the server process writes sort data to the temporary tablespace

D.
when the database writer process writesundo data to the undo tablespace



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L. Zhu

L. Zhu

when writing to temporary tablespace

So C is correct