单项选择题
Exhibit
You work as a database administrator for Supportcenter.cn. While creating a new user or changing the password for existing users， the password must adhere to the restrictions specified in the exhibit. Which option would you use to achieve this objective？（）
A.Use a trigger to validate the password
B.Use a user defined PL/SQL block to validate the password
C.Use a profile to include the password verify function to validate the password
D.Use Oracle’s default password verification procedure to validate the password
E.Use a procedure name in the CREATE USER command to validate the password
相关考题
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单项选择题
YouworkasadatabaseadministratorforSupportcenter.cn.Youareusingthreedatabase，SupportCenterDB01，SupportCenterDB02，andSupportCenterDB03，ondifferenthostmachinesinyourdevelopmentenvironment.Thedatabaseserverconfiguration，suchasIPaddressandlistenerportnumber，changefrequentlyduetodevelopmentrequirements，andyouhavethetaskofnotifyingthedevelopersofthechanges.Whichconnectionmethodwouldyouusetoovercomethisoverhead？（）
A.Host naming
B.Local naming
C.Easy Connect
D.External naming
E.directory naming -
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
