Oracle認(rèn)證綜合練習(xí)章節(jié)練習(xí)(2020.04.29)

A.select last_date(sysdate) from dual;
B.select finally_day(sysdate) from dual;
C.select last_day(sysdate) from dual;
D.select tail_day(sysdate) from dual;

A.塊->段->區(qū)->表空間->數(shù)據(jù)庫
B.塊->區(qū)->段->表空間->數(shù)據(jù)庫
C.塊->表空間->區(qū)->段->數(shù)據(jù)庫
D.塊->段->表空間->區(qū)->數(shù)據(jù)庫
E.塊->區(qū)->表空間->段->數(shù)據(jù)庫

A.表空間
B.段
C.盤區(qū)
D.數(shù)據(jù)塊

A.one-to-one
B.1-to-1
C.only one
D.one

A.USER
B.SYSTEM
C.SYS
D.DEFAULT

A.DELETE ROLE test_role
B.REVOKE ROLE test_role
C.DROP ROLE test_role
D.DELETE test_role

A.set listner listner1
B.set current_listner listner1
C.alter current_listner listner1
D.alter system current_listner listner1

A.高速數(shù)據(jù)傳輸
B.較高的數(shù)據(jù)獨(dú)立性
C.較小的數(shù)據(jù)冗余
D.多用戶數(shù)據(jù)共享

A.CONTROL_FILES
B.CONTROL_FILES_NAME
C.CONTROL_NAME
D.CONTROL_FILE