单项选择题
A. INSTANCE和DATABASE B. SGA和PGA C. SGA和DATABASE D. Server process和Background process E. SGA和Background process
A.CKPT DBWn LGWR PMON SMON B.ARCn CKPT DBWn LGWR SMON C.CJQ0 CKPT DBWn LGWR SMON D.DBWn LGWR PMON RECO SMON E.CKPT DBWn LMON PMON SMON
A.OCA->OCP->OCM B.OCM->OCP->OCA C.OCP->OCA->OCM D.OCA->OCM->OCP E.OCP->OCM->OCA