Duetolimitedspace,someoftheindexesandtriggershavebeenremovedfromtheRecycleBin.YoudecidetorecoverthetablebyusingFlashbackDrop.Youexecutethefollowingstatement:SQL>FLASHBACKTABLEwarehouse_detailsTOBEFOREDROP;
Whatwillbetheimplicationofexecutingthisstatement?()
第1题
iondatabaseserverandsubmitareportonthesettingsdonebythepreviousDBA.Whileobservingtheserversettings,youfindthatthefollowingparameterhasbeensetintheparameterfileofthedatabase:REMOTE_OS_AUTHENT=TRUEWhatcouldhavebeenthereasontosetthisparameterasTRUE?()
A.toenableoperatingsystemauthenticationforaremoteclient
B.torestrictthescopeofadministrationtoidenticaloperatingsystems
C.toallowthestartupandshutdownofthedatabasefromaremoteclient
D.toenabletheadministrationoftheoperatingsystemfromaremoteclient
E.todisabletheadministrationoftheoperatingsystemfromaremoteclient
第2题
ecute the following:Shell> /etc/init.d/mysql stopShell> /etc/init.d/mysql start – skip-grant tablesWhich additional argument makes this operation safer?()
A.–skip-networking, to prohibit access from remote locations
B.–reset-grant-tables, to start the server with only the mysql database accessible
C.–read-only,to set all data to read-only except for super users
D.–old-passwords, to start Mysql to use the old password format while running without the grant tables
第3题
A. Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product
第4题
A. A job chain can contain a nested chain of jobs.
B. The jobs in a job chain cannot have more than one dependency.
C. A job of the CHAIN type can be run using event-based or time-based schedules.
D. The jobs in a job chain can be executed only by using the events generated by the Scheduler
第5题
A.createrecoverycatalog
B.createcatalog
C.buildcatalog
D.catalogcreate
E.mountcatalog
第6题
A.anycontrolfile
B.anyarchivelogfile
C.oneoftheredologmembers
D.lossoftheinitializationparameterfile
E.anydatafilebelongingtothedefaultpermanenttablespac
第7题
A.When uptime is critical
B.When data must be refactored
C.When application concurrency is static
D.When data loss is unacceptable
E.When application is a single point of failure
第8题
A.DROPUSERSMITH;
B.DROPTABLEEMPLOYEES;
C.DROPTABLESPACEUSERS;
D.ALTERTABLESALES_REPDROPPARTITIONP1;
E.ALTERTABLEEMPLOYEESDROPCOLUMNDESIG_ID;
第9题
A.Theuserisauthenticatedbytheoperatingsystem.
B.TheobjectscreatedbytheuserareplacedintheUSERStablespace.
C.TheuserdoesnotrequirequotaontheTEMPtablespacetoperformsortoperations.
D.Theuserisforcedtochangethepasswordatthefirstlogintothedatabaseinstance.
E.Theobjectscreatedbytheuserinfutureareunlockedtobeaccessedbyalltheusersinthedatabasebydefa
第10题
A.Thisclauseisnotvalidforatemporaryorundotablespace.
B.IfthetablespaceisintheNOLOGGINGmode,nooperationonthetablespacewillgenerateredo.
C.ThetablespacewillbeintheNOLOGGINGmodebydefault,ifnotspecifiedwhilecreatingatablespace.
D.Thetablespace-levelloggingattributecanbeoverriddenbyloggingspecificationsatthetable,index,materializedview,materializedviewlog,andpartitionlevels.
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