單項(xiàng)選擇題oracle數(shù)據(jù)庫(kù)啟動(dòng)一個(gè)空實(shí)例,至少需要哪一個(gè)參數(shù)()

A.control_files
B.memory_target
C.db_name
D.db_block_size


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題當(dāng)需要undo來(lái)完成一致性讀時(shí),下列說(shuō)法正確的是()

A.沒(méi)有活動(dòng)事務(wù)的block,一定不會(huì)出現(xiàn)ORA-01555
B.當(dāng)undo segment被刪除時(shí),一定會(huì)報(bào)ORA-01555
C.塊清除時(shí)匹配不到比snap_scn小的commit scn時(shí),一定會(huì)報(bào)ORA-01555
D.當(dāng)undo段頭事務(wù)表slot被重用時(shí),一定會(huì)報(bào)ORA-01555