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OCP 1Z0-051 174

原创 Oracle 作者:LuiseDalian 时间:2014-06-03 08:06:49 0 删除 编辑
(174)Which statement is true regarding transactions? (Choose all that apply.)

A. A transaction can consist only of a set of DML and DDL statements.

B. A part or an entire transaction can be undone by using ROLLBACK command.

C. A transaction consists of a set of DML or DCL statements.

D. A part or an entire transaction can be made permanent with a COMMIT.

E. A transaction can consist of only a set of queries or DML or DDL statements.

答案:(B、C)

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