27、Which two are true about data dictionary views?
A) ALL or USER prefixed views display output that are subsets of the output from the DBA prefixed data views.
B) DBA prefixed views are accessible when a database is In mount state.
C) A user may not necessarily be the owner of all objects that can be viewed by using the ALL prefixed views.
D) A user can query the DBA prefixed views only if they have the SYSDBA privilege
E) All data dictionary views are prefixed with DBA. Or ALL or USER
Answer:AD
北京CUUG整理，轉載請注明，OCP討論群：569933648/836361015
免責聲明：本站發布的內容（圖片、視頻和文字）以原創、轉載和分享為主，文章觀點不代表本網站立場，如果涉及侵權請聯系站長郵箱：is@yisu.com進行舉報，并提供相關證據，一經查實，將立刻刪除涉嫌侵權內容。
