【2019年8月版本】OCP 071認證考試最新版本的考試原題-22
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我要咨詢【2019年8月版本】OCP 071認證考試最新版本的考試原題-22-CUUG整理
OCP的071考試,在8月份左右全部換了新題,近期考試的題也全部不包括之前的題庫了,這次oracle更新071考試題庫,雖然全都是新題,但跟之前的相比也有關聯,比如把之前的考題稍微變換一下數字、更新一下日期、或者再加一個錯誤選項等等。
對于2019年8月份的更新,我們CUUG已經進行了收集整理,并給出初步的答案和講解,僅供參考,希望對考OCP 071認證的同學有幫助。
Choose two
Which two statements are true about transactions in the Oracle Database serve?
A) An uncommitted transaction commits automatically if the user exits SQL*Plus
B) Data Manipulation Language (DML) statements always start a new transaction.
C) A user can always see uncomitted updates made by the same user in a dfferert session.
D) A Data Detiniton Language (DDL) statement does a commit automatially only for the data dictionary updates caused by the DDL
E) A session can always see uncomnitted updetes made by itselt.
F) If a session has an uncometted transaction,then a DDL statement issue a COMMIT before starting a new transaction.
Answer:AE
(解析:這道題考的是事務提交和沒有提交時的狀態,屬于常規的理論知識。)