设函数f(x)=(ex-1)(e2x-2)…(enx-n),其中n为正整数,则fˊ(0)=().
A.(-1)n-1(n-1)!
B.(-1)n(n-1)!
C.(-1)n-1n!
D.(-1)nn!
第1题
A.1,3,6,7
B.2,3,6,8
C.1,2,3,6,7
D.1,2,3,6,,7,8
E.2,3,6,5,7
第2题
A. You want to identify the most senior employee in the company.
B. You want to find the manager supervising the largest number of employees.
C. You want to identify the person who makes the highest salary for all employees.
D. You want to rank the top three sales representatives who have sold the maximum number of products.
第3题
A.Choosingtheextentallocationtypetouniform
B.ChoosingtheSegmentSpaceManagementoptiontomanual
C.Settingautoextensiononforthedatafilementionedforthetablespace
D.SettingtheDB_16K_CACHE_SIZEparameterforthedatabaseinstancetoanonzerovalue
第4题
A.7
B.1
C.10
D.11
E.21
第5题
A. You cannot use IN operator in a condition that involves an outerjoin.
B. You use (+) on both sides of the WHERE condition to perform an outerjoin.
C. You use (*) on both sides of the WHERE condition to perform an outerjoin.
D. You use an outerjoin to see only the rows that do not meet the join condition.
E. In the WHERE condition, you use (+) following the name of the column in the table without matching rows, to perform an outerjoin.
F. You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.
第6题
A.IssuethegrantcommandfromtheSYSuser(orequivalent)ofthetargetdatabase.
B.IssuethegrantcommandfromtheSYSuser(orequivalent)oftherecovery-catalogdatabase.
C.Issuethegrantcommandfromtherecoverycatalog-owningschemauseraccountintherecoverycatalog.
D.IssuethegrantcommandfromRMANwhenconnectedtotherecoverycatalog-owningschema.
E.IssuethegrantcommandfromRMANwhenconnectedtothetargetdatabase.
第7题
A. ADD DIRECTORY
B. DROP DISK
C. RESIZE DISK
D. REBALANCE
E. ADD FAILGROUP
第8题
A.Therowmovementisnotenabledonthetable.
B.Thefirsttwoupdateswerenotexplicitlycommitted.
C.TheFlashbackVersionsQuerylistsonlythemostrecentupdate.
D.TheFlashbackVersionsQuerystopsproducingrowsafteritencountersatimeinthepastwhenthetablestructurewaschanged.
第9题
A.Thedatabaseinstanceisnotavailable.
B.TheALTERTABLEcommanddoesnothaveWAIToption
C.Thetableorarowinthetableiscurrentlylockedbyanotherusersession.
D.Thedatabaseinstanceisbusyprocessingotherusersessionscommands.
E.TheCUSTOMERStablehasnolongrunningqueryactiveatthetimewhenthisrequestismade.
F.TheserverprocessexecutingtheALTERTABLEcommandisbusywithanothercommandexecution
第10题
A. It must be executed from the Oracle Database 11g environment.
B. It must be executed only after the SYSAUX tablespace has been created.
C. It must be executed from the environment of the database that is being upgraded.
D. It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.
E. It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.
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