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What is the author's attitude towards the idea that "profit opportunities are rare"？A．Doub

What is the author's attitude towards the idea that "profit opportunities are rare"？

A．Doubtful.

B．Cautious.

C．Consenting.

D．Ironic.

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更多“What is the author's attitude …”相关的问题

第1题

The database is configured in ARCHIVELOG mode and regular complete database backups are taken. Theloss of which two types of files may require a recovery with the RESETLOGS option? ()(Choose two)

A. Control files

B. Password files

C. Inactive online redo log file

D. Archived log files required to perform recovery

E. Newly created tablespace which is not backed up

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第2题

Identifythetwosituationsinwhichyouusethealertlogfileinyourdatabasetocheckthedetails.()

A.Runningaqueryonatablereturns"ORA-600：InternalError."

B.Insertingavalueinatablereturns"ORA-01722：invalidnumber."

C.Creatingatablereturns"ORA-00955：nameisalreadyusedbyanexistingobject."

D.Insertingavalueinatablereturns"ORA-00001：uniqueconstraint（SYS.PK_TECHP）violated."

E.Insertingarowinatablereturns"ORA-00060：deadlockdetectedwhilewaitingforresource."

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第3题

WhichfourserviceofferingsareincludedinOraclePublicCloud?()

A.DatabaseService

B.DataService

C.JavaService

D.SecurityService

E..NETService

F.SOAService

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第4题

Youneedtoquicklyobtainthephysicalandlogicaldevicenamesforthedisksattachedtotheserver.Whichcommandachievesthis?()

A.A

B.B

C.C

D.D

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第5题

YourdatabaseisinARCHIVELOGmode.Youlostanindextablespaceduetoadiskfailurewhilethedatabasewa

sopen.YouhaveneitherabackupofthelostindextablespacenorthescriptscontainingtheCREATEINDEXstatementstorecreatetheindexes.Currently，severalusersareexecutinglong-runningqueriesonthedatabase.Whatwillhappentotheongoingactivityinthedatabase？（）

A.Thequeriesthatarecurrentlyexecutingwillabortandanerrormessagewillbereturnedtotheuser.

B.Thequeriesthatarecurrentlyexecutingwillexecutenormallybutfuturequerieswillnotexecuted.

C.DataManipulationLanguage（DML）statementscannotbeperformedonthetablesonwhichtheindexesarebased.

D.Thecurrentlyexecutingandfuturequerieswillexecutenormally，butwillbeslower

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第6题

You are using CTIDS in replication. You need to skip a transaction with the CTID of aaa-bbb-cccddd-eee : 3 on a slave. Which command would you execute from a Mysql prompt?()

A.STOP SLAVE; SET GLOBAL SQL_SLAVE_SKIP_COUNTER=1; START SLAVE

B.STOP SLAVE; BEGIN; SET GTID_IGNORE="aaa-bbb-ccc-ddd-eee: 3"; COMMIT; START SLAVE

C.STOP SLAVE; SETGTID_NEXT="aaa-bbb-ccc-ddd-eee: 3"; BEGIN; COMMIT; SET GTID_NEXT="AUTOMATIC"; START SLAVE

D.STOP SLAVE; RESET SLAVE; BEGIN; SKIP NEXT GTID; COMMIT; START SLAVE

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第7题

YouaremaintainingyourdatabaseinOracle10g.YoufindthattheINDEXESindextablespaceshouldberecovered.Howwillyourecovertheindextablespace?()

A.byusingtheFlashbackDatabasefeature

B.byusingRMANincompleterecovery

C.byperformingauser-managedincompleterecovery

D.bydroppingandre-creatingtheindextablespace

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第8题

YouperformabackupusingthefollowingBACKUPcommand:RMAN>BACKUPASCOMPRESSEDBACKUPSETDATABASE,Whichstatementistrueofthiscommand?()

A.Adifferentprocedureisrequiredtorestoreadatabasefromcompressedbackups

B.TheASCOMPRESSEDclauseoftheBACKUPcommandprovidedbyRMANisusedtocreatecompressedbackupsetsandimagecopies.

C.Usingthiscommandtocreatebackupsminimizesthebandwidthconsumed.

D.Usingthiscommandtocreatebackupsimprovestheperformanceofthebackupprocess

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第9题

Youhavecreatedapasswordfileusingthefollowingcommand:ORAPWDfile=d:\oracle\ora9i\orapwU01password=change_on_installentries=3Whichofthefollowingistrueaboutthispasswordfile?()

A.IftheREMOTE_LOGIN_PASSWORDFILEparameterissettoSHAREDintheinitializationparameterfile，thenamaximumofthreeuserscanbegrantedtheSYSDBAorSYSOPERprivileges.

B.IftheREMOTE_LOGIN_PASSWORDFILEparameterissettoEXCLUSIVEintheinitializationparameterfile，thenamaximumofthreeuserscanbegrantedtheSYSDBAorSYSOPERprivileges.

C.IftheREMOTE_LOGIN_PASSWORDFILEparameterissettoSHAREDintheinitializationparameterfile，thentheSYSDBAandSYSOPERprivilegescanbegrantedtootherusersaslongasspaceinthepasswordfileis

D.IftheREMOTE_LOGIN_PASSWORDFILEparameterissettoEXCLUSIVEintheinitializationparameterfile，thentheSYSDBAandSYSOPERprivilegescanbegrantedtootherusersaslongasspaceinthepasswordfileisavailable.

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第10题

Examine the data from the EMP table:The COMMISSION column shows the monthly commission ear

ned by the employee.Which three tasks would require subqueries or joins in order to perform in a single step?（）

A. Deleting the records of employees who do not earn commission.

B. Increasing the commission of employee 3 by the average commission earned in department 20.

C. Finding the number of employees who do NOT earn commission and are working for department 20.

D. Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3.

E. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.

F. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.

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