【2019年8月】OCP 071认证考试最新版本的考试原题-第23题

Choose twosession

Which two statements are true about transactions in the Oracle Database serve?ide

A) An uncommitted transaction commits automatically if the user exits SQL*Plus事务

B) Data Manipulation Language (DML) statements always start a new transaction.ip

C) A user can always see uncomitted updates made by the same user in a dfferert session.it

D) A Data Detiniton Language (DDL) statement does a commit automatially only for the data dictionary updates caused by the DDLio

E) A session can always see uncomnitted updetes made by itselt.class

F) If a session has an uncometted transaction,then a DDL statement issue a COMMIT before starting a new transaction.sed

Answer:AEdate

(解析:这道题考的是事务提交和没有提交时的状态,属于常规的理论知识。)call

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