OCP-1Z0-052-V8.02-99题

最新推荐文章于 2024-09-19 16:53:32 发布

iteye_11788

最新推荐文章于 2024-09-19 16:53:32 发布

阅读量167

点赞数

文章标签：数据库

本文介绍了Oracle Data Pump的主要组成部分，包括命令行客户端EXPDP和IMPDP、DBMS_DATAPUMP PL/SQL包以及DBMS_METADATA PL/SQL包。详细阐述了这些组件如何协同工作以实现高效的数据导出和导入操作。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

99. Which two statements are true regarding Oracle Data Pump? (Choose two.)

A.EXPDP and IMPDP are the client components of Oracle Data Pump.

B.DBMS_DATAPUMP PL/SQL packages can be used independently of the Data Pump clients.

C.Oracle Data Pump export and import operations can be performed only by users with the SYSDBA

privilege.

D.Oracle Data Pump imports can be done from the export files generated in the export utility of previous

versions.

E.EXPDP and IMPDP use the procedures provided by DBMS_METADATA to execute export and import

commands.

Answer: AB

答案解析：

参考：http://docs.oracle.com/cd/E11882_01/server.112/e22490/dp_overview.htm#SUTIL802

Data Pump Components

Oracle Data Pump is made up of three distinct parts:

The command-line clients,expdpandimpdp
TheDBMS_DATAPUMPPL/SQL package(also known as the Data Pump API)
TheDBMS_METADATAPL/SQL package (also known as the Metadata API)

The Data Pump clients,expdpandimpdp, invoke the Data Pump Export utility and Data Pump Import utility, respectively.

Theexpdpandimpdpclientsuse the procedures provided in theDBMS_DATAPUMPPL/SQL package to execute export and import commands, using the parameters entered at the command line. These parameters enable the exporting and importing of data and metadata for a complete database or for subsets of a database.

When metadata is moved, Data Pump uses functionality provided by theDBMS_METADATAPL/SQL package. TheDBMS_METADATApackage provides a centralized facility for the extraction, manipulation, and re-creation of dictionary metadata.

TheDBMS_DATAPUMPandDBMS_METADATAPL/SQL packages can be used independently of the Data Pump clients.