A.12+NULL B.60*NULL C.NULL∣∣’NULL’ D.12/(60+NULL)
A.數(shù)據(jù)庫正常啟動(dòng) B.數(shù)據(jù)庫無法打開會(huì)停在MOUNT模式 C.數(shù)據(jù)庫將會(huì)在做完自動(dòng)實(shí)例恢復(fù)后打開 D.數(shù)據(jù)庫無法打開你必須做數(shù)據(jù)庫恢復(fù)后才能打開
A.shutdown B.nomount C.mount D.Open