目录一、什么是函数调用?二、为何用调用函数?三、函数调用的三种形式 一、什么是函数调用? 第一次讲函数其实就讲了函数的调用,但是你不得不再次更新你对函数调用的印象。函数名(…)即调用函数,会执行函数体代码,直到碰到return或者执行完函数体内所有代码结束。 函数运行完毕所有代码,如果函数体不写re
转载 2019-09-23 21:44:00
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1.DStream 内部是一系列的RDD组成的,每个RDD与RDD的产生时间形成一个pair保存在内存中(下面有) RDD包含了对应时间段的所有block数据。 2.DStream下的方法 3.RDD的产生,存储 4.RDD的销毁
转载 2018-08-08 22:40:00
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ARC062 C AtCoDeerくんと選挙速報 / AtCoDeer and Election Report 每次看看比率至少变成多少倍能大于当前的数 然后就把两个人的票都改成那个数 cpp include define fi first define se second define pii p
转载 2019-05-18 10:35:00
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A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).The robot can only move either down or right at any point in time. The robot is trying to reach the bottom-right corner of the grid (marked 'Finish' in the di
原创 2022-04-15 09:27:58
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41题、chooseoneExaminethedetailsoftheuncompressed,non-partitionedheaptableCITIES.NameNull?TypeCITYIDNOTNULLNUMBER(4)CITY_NAMEVARCHAR2(50)Examinethecommand:SQL>ALTERTABLEcitiesSHRINKSPACECOMPACT;Whatm
转载 2019-05-28 09:28:27
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46题、choosetwoExaminethiscommand:SQL>ALTERSYSTEMSETENABLE_DDL_LOGGING=TRUE;Whichtwostatementsaretrue?A)AllDDLstatementsareloggedintoatextfileinAutomaticDiagnosticRepository(ADR)home.B)TheAlertLogsti
转载 2019-05-30 17:00:33
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47题、chooseoneYourdatabaseinstanceisstartedwithaPFILE.Examinetheparameters:NAMETYPEVALUEmemory_max_targetbiginteger0memory_targetbiginteger0sga_max_sizebiginteger2Gsga_targetbiginteger2GYouwanttoincrea
转载 2019-06-04 14:01:58
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48题、choosetwoWhichtwostatementsaretrueaboutusingSQL*Loader?A)Itcanloaddatafromexternalfilesbyusingconventionalpathonly.B)Itcangenerateuniquesequentialkeyvaluesinspecifiedcolumns.C)Itcanloaddataintomul
转载 2019-06-04 14:36:38
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53题、choosetwoTheHRuserexecutesthefollowingqueryontheEMPLOYEEStablebutdoesnotissueCOMMIT,ROLLBACK,oranydatadefinitionlanguage(DDL)commandafterthat:SQL>SELECTjobFROMemployeesWHEREjob='CLERK'F
转载 2019-06-27 13:16:33
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54题、choosetwoWhichtwostatementsdescribetherelationshipbetweenaschedulerwindow,aresourcemanagerplan,andajobclass?A)Aschedulerwindowspecifiesajobclassthatwillbeactivatedwhenthatschedulerwindowbecomesact
转载 2019-06-27 14:03:21
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55题、choosetwoYourdatabasesupportsanonlinetransactionprocessing(OLTP)workloadinwhichoneoftheapplicationscreatesatemporarytableforasessionandperformstransactionsonit.Thisconsumesalotofundotablespaceandg
转载 2019-07-04 09:23:10
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56题、choosetwoInyourdatabase,USERSisthedefaultpermanenttablespace.Examinethecommandsandtheiroutcome:SQL>CREATEUSERuser02identifiedbyus123QUOTA10MONusers;Usercreated.SQL>GRANTcreatesession,sysdbaT
转载 2019-07-04 10:05:33
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57题、chooseoneWhichstatementistrueaboutadatabaseinARCHIVELOGmode?A)Fulldatabasebackupscanbeperformedwhenthedatabaseisopened.B)AFastRecoveryArea(FRA)mustbeconfiguredforthedatabase.C)Onlineredologfilesha
转载 2019-07-17 09:27:53
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59题、choosethreeWhichthreestatementsaretrueaboutnamingmethods?A)IntheEasyConnectmethod,clientscanconnecttoadatabaseserverbyusingthehostnameofthedatabasewithanoptionalportandservicename.B)Thelocalnaming
转载 2019-07-18 10:55:24
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package test;import java.io.IOException;/* Runtime类封装了运行时的环境。每个 Java 应用程序都有一个 Runtime 类实例,使应用程序能够 与其运行的环境相连接。一般不能实例化一个Runtime对象,应用程序也不能创建自己的 Runtime 类 实例,但可以通过 getRuntime 方法获取当前Runtime运行时对象的引用。 一旦得
原创 2023-02-06 19:29:17
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 C - AtCoDeerくんと選挙速報 / AtCoDeer and Election ReportTime Limit: 2 sec / Memory Limit: 256 MBScore : 300300 pointsProblem StatementAtCoDeer the deer is seeing a quick report of election r
原创 2023-02-08 09:22:31
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42题、choosetwoWhichtwomustbeinstalledorconfiguredeithermanuallyorbyDBCAinordertouseEnterpriseManagerDatabaseExpress(EMExpress)?A)AtleastoneTCP/IPdispatchermustbeconfigured.B)ASYSMANuserwithSYSDBAprivil
转载 2019-05-28 10:04:32
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43题、choosetwoWhichtwoservicesmayyouseeontheMyServiceDashboardpage?A)DatabaseCloudServiceB)NetworkCloudServiceC)UserCloudServiceD)ComputeCloudServiceAnswer:AC(解析:这道题考的是Oracle云服务相关的问题,超出了数据库知识点的范畴,有点宣传产
转载 2019-05-28 13:06:24
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49题、chooseoneYourproductiondatabaseusesfilesystemstorage.YouwanttomovestoragetoOracleAutomaticStorageManagement(ASM).Howwouldyouachievethis?A)byusingatransportabledatabaseB)byusingDataPumpC)byusingthe
转载 2019-06-04 15:23:25
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