Whichtwostatementsaboutthebackgroundprocessofthedatabasewriteraretrue()

15 查阅

A.ItispossibletohavemultipledatabasewritersinanOracleinstance.

B.Itwritesdirtybuffers,ifany,todatafileswheneveracheckpointoccurs.

C.Itwritesdirtybuffers,ifany,todatafileswheneveratransactioncommits.

D.Itwritesdirtybuffers,ifany,todatafilesbeforethelogwriter(LGWR)writes

参考答案:

参考A, B

计算机考试