A.數(shù)據(jù)寫入進(jìn)程DBWRB.日志寫入進(jìn)程LGWRC.檢查點(diǎn)進(jìn)程CKPTD.系統(tǒng)及監(jiān)控進(jìn)程(SMON、PMON)
A.closed或idle B.nomount C.mount D.open
A.if B.for C.while D.until