Which two statements about the background process of thedatabase writerare true() 

A . It is possible to have multiple database writers in an Oracle instance. B . It writes dirty buffers, if any, to data files whenever a checkpoint occurs. C . It writes dirty buffers, if any, to data files whenever a transaction commits. D . It writes dirty buffers, if any, to data files before the log writer (LGWR) writes.

时间:2022-10-09 03:35:26 所属题库:1Z0-052题库

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