题目内容

机械论自然观的基本特征有()

A. 原子的基本性
B. 自然的不变性
C. 机械的直观性
D. 因果的必然性

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Theaccountingmanagerwantsyoutocreateaformthatwhenqueriedwilldisplayacalculatedtotalofyear-to-dateactualexpendituresforthefoundcodeentered.Thevaluesneededtogeneratethissummarydataarestoredinmultipletables.WhichdatasourcetypecanyouassigntothedatablockforthisformwithouthavingtheDBAcreateadatabaseobject?()

A. databasetable
B. transactionaltrigger
C. storedprocedure
D. FROMclausequery
E. client-sideprocedure

Whatpurposewouldyouachievebyenablingtheblockchangetrackingfeature?()

A. Eliminatethenecessityforbackups.
B. Performoptimizedimagecopybackups.
C. Performoptimizedincrementalbackups.
D. Enablecheckpoint(CKPT)toperformcheckpointingateveryblockchange.
Enabledatabasewriter(DBWn)towritechangedblockstodatafilesfaster.

YoucreateanewAutomaticDatabaseDiagnosticMonitor(ADDM)task:instance_analysis_mode_task.ToviewtheADDMreport,youusethefollowingcommand:SQL>SELECTdbms_addm.get_report(’my_instance_analysis_mode_task’)FROMdual;YouwanttosuppressADDMoutputrelatingtoSegmentAdvisoractionsonuserSCOTT’ssegments.Whatwouldyoudotoachievethis?()

AddafindingdirectivefortheADDMtask.
B. AddasegmentdirectivefortheADDMtask.
C. AddaparameterdirectivefortheADDMtask.
DisabletheSegmentAdvisorfromtheAutomaticMaintenanceTask.

系统论将与环境只存在能量交换的系统,称为()

A. 开放系统
B. 孤立系统
C. 封闭系统
D. 线性系统

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