单项选择题
You work as a database administrator for Supportcenter.cn. You are using three database， SupportCenter DB01， SupportCenter DB02， and SupportCenter DB03， on different host machines in your development environment. The database server configuration， such as IP address and listener port number， change frequently due to development requirements， and you have the task of notifying the developers of the changes. Which connection method would you use to overcome this overhead？（）
A.Host naming
B.Local naming
C.Easy Connect
D.External naming
E.directory naming
相关考题
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多项选择题
YouworkasadatabaseadministratorforSupportcenter.cn.YourdatabaseisopenedinNOARCHIVEKLOGmode.YoudecidetoplacethedatabaseinARCHIVELOGmode.Howwouldyoudothis？（）
A.Execute the ALTER DATABASE ARCHIVELOG statement
B.Select ARCHIVELOG option in the database control and restart the database to apply the changes.
C.Shut down and start the instance， and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.
D.Shut down and start the instance， mount the database， then execute the ALTER DATABASE ARCHIVELOG statement. -
单项选择题
YouworkasadatabaseadministratorforSupportcenter.cn.YourdatabaseisinNOARCHIVELOGmode.Thedatabasehasbeenconfiguredwiththreeredologsgroups，andtherehavebeenfivelogswitches.Youlostonenon-system-criticaldatafilefromyourdatabase.Whichmethodwouldyouusetorecoverthedatafile？（）
A.Restore all the data files and open the database
B.Create the data file and perform tablespace recovery
C.No need to restore any file， just recover the database
D.Restore only the system data file and recover the database
E.Restore only lost date file and performtablespacerecovery -
单项选择题
YourbossatSupportcenter.cnwantsyoutoclarifyOracle10g.Whichconditioninyourdatabaseforcesyoutoperformonlyconsistentbackups？（）
A.The database is in mount state.
B.One of the tablespaces is offline.
C.One of the tablespaces is read only.
D.The database operates in ARCHIEVELOG mode.
E.The database operates in NOARCHIEVELOG mode.
