首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
数据的( )是数据库的主要特征之一，是数据库与文件系统的根本区别。
查看本题答案
包含此试题的试卷
中级数据库系统工程师《简单单选》真题及答案
点击查看
你可能感兴趣的试题
数据的【9】是数据库的主要特征之一是数据库与文件系统的根本区别
数据库系统与文件系统的主要区别是______
数据库系统复杂，而文件系统简单
文件系统不能解决数据冗余和数据独立性问题，而数据库系统可以
文件系统只能管理程序文件，而数据库系统能够管理各种类型的文件
文件系统管理的数据量较少，而数据库系统可以管理庞大的数据量
数据的是数据库的主要特征之一是数据库与文件系统的根本区别
结构化
共享性
独立性
完整性
数据的【8】是数据库的主要特征之一是数据库与文件系统的要本区别
数据库系统与文件系统的主要区别是______
文件系统不能解决数据冗余和数据独立性问题，而数据库系统可解决这类问题
文件系统只能管理少量数据，而数据库系统则能管理大量数据
文件系统只能管理程序文件，而数据库系统则能管理各种类型的文件
文件系统简单，而数据库系统复杂
数据库系统与文件系统的最主要区别是
数据库系统复杂,而文件系统简单
文件系统不能解决数据冗余和数据独立性问题,而数据库系统可以解决
文件系统只能管理程序文件,而数据库系统能够管理各种类型的文件
文件系统管理的数据量较少,而数据库系统可以管理庞大的数据量
数据库系统与文件系统的主要区别是______
数据库系统复杂，而文件系统简单
文件系统不能解决数据冗余和数据独立性问题，而数据库系统可以解决
文件系统只能管理程序文件，而数据库系统能够管理各种类型的文件
文件系统管理的数据量较少，而数据库系统可以管理庞大的数据量
数据的【8】是数据库的主要特征之一是数据库与文件系统的根本区别
数据的【】是数据库的主要特征之一是数据库与文件系统的根本区别
热门试题
更多
Atypical160languagecontainsanapplicativesub-languagewhichapproximatesthemathematicalabstractionsof"timeless"functionsappliedto"spaceless"valueswheretheactualoperationsequencesanduseofstoragespaceduringexpressionevaluationareorganizedbehindthe161.Inthissettingvaluesaredatastructuresoflowvolumetypicallyafewcomputerwordsorlesswhichmeansthatanillusionofspacelessnesscanberealizedbyhaving162resultsduringexpressionevaluationstoredatthediscretionofthelanguageimplementationandeffectingparameter163and164operationsthroughvaluecopying. 163是
Therelationaldatabasemodelrequiresthedatabe110throughprogramsthatdon’trelyonthepositionofthedatainthedatabase.Thisisindirect111totheotherdatabasemodewheretheprogramhastofollowaseriesofpointerstothedataitseeks.Aprogram112arelationaldatabasesimplyasksforthedataitseeks;theDBMSperformsthenecessarysearchesand113theinformation.The114onhowthesearchisdonearespecifictotheDBMSandvaryfromproducttoproduct. 111是
31analysisemphasizesthedrawingofpictorialsystemmodelstodocumentandvalidatebothexistingand/orproposedsystems.Ultimatelythesystemmodelsbecomethe32fordesigningandconstructinganimprovedsystem.33issuchatechnique.Theemphasisinthistechniqueisprocess-centered.Systemsanalystsdrawaseriesofprocessmodelscalled34.35isanothersuchtechniquethatintegratesdataandprocessconcernsintoconstructscalledobjects. 32是
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 10
WhilemostrecentattentionintheAIfieldhasbeenfocusedonexpertsystemsoftwareAI66hasalsoseendramaticadvances.Activityinthepastyearswascharacterizedbynewlow-costpowerfulLispmachinestheintroductionofAIworkstationsLispcompilersbecomingavailableforallmajorprofessionalandengineeringworkstationsandthepersonalcomputeremergingasa67.toolforexpertsystemdevelopment.Thenextfewyearswillseethistechnologyevolvesfurther. Becausethe68ofanAIcomputerrepresentsasizableinvestmentcompaniesshouldcarefully69alloptionsthatareavailableaswellashaveagoodideaofwhatthenextgenerationofsystemswillofferinorderto70theoptimumsystem.Thispublicationprovidestheinformationnecessarytogainthisunderstanding. 68是
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 8
Object-orientedDBMSintegratedavarietyof81datatypes-suchasbusinessproceduresgraphicspicturesvoiceandannotatedtext. Objectorientationalsomakesa82toapplicationdevelopmentefficiency.Itmakesthedatafunctionsattributesandrelationshipsanintegralpartofthe83.Inthiswayobjectscanbereusedandreplicated. SomeleadingRDBMSvendorssupporttheconceptofintegratingobjectmanagementcapabilitieswiththeircurrentlineofrelationalproducts.Thatcapabilityenableuserstothedevelopmentcyclesinceintegritylogicandbusinessrolesnolongerneedtobeprogrammed84eachapplication. 81是
Inobject-oriented51objectscanbeviewedasreusablecomponentsandoncetheprogrammerhasdevelopeda52ofthesecomponentshecan53theamountofnewcodingrequired.But52a54isnosimpletaskbecausetheintegrityoftheOriginalsoftwaredesigniscritical.Reusabilitycanbeamixedblessingforusertooasaprogrammerhastobeabletofindtheobjectheneeds.Butif55isyouraimreusabilityisworththerisk. 51是
Atypical160languagecontainsanapplicativesub-languagewhichapproximatesthemathematicalabstractionsof"timeless"functionsappliedto"spaceless"valueswheretheactualoperationsequencesanduseofstoragespaceduringexpressionevaluationareorganizedbehindthe161.Inthissettingvaluesaredatastructuresoflowvolumetypicallyafewcomputerwordsorlesswhichmeansthatanillusionofspacelessnesscanberealizedbyhaving162resultsduringexpressionevaluationstoredatthediscretionofthelanguageimplementationandeffectingparameter163and164operationsthroughvaluecopying. 161是
31analysisemphasizesthedrawingofpictorialsystemmodelstodocumentandvalidatebothexistingand/orproposedsystems.Ultimatelythesystemmodelsbecomethe32fordesigningandconstructinganimprovedsystem.33issuchatechnique.Theemphasisinthistechniqueisprocess-centered.Systemsanalystsdrawaseriesofprocessmodelscalled34.35isanothersuchtechniquethatintegratesdataandprocessconcernsintoconstructscalledobjects. 34是
Forusersmicrokerneltechnologypromises90compactandsophisticatedoperatingsystemsthataretypically91acrossarangeofhardwareplatforms.Theseoperatingsystemswillbecustomizabletoletusersrunmultipleoperatingsystemandapplication"personalities"ontopofasinglemicrokernel92. Microkernelbasedsystemscanprovidethisflexibilitybecausethecoreoperatingsystemfunctionsare93fromthelargenumberofutilitiesfeaturesandextensionsthatarelayeredontopofthem.Asaresultupdatingandmaintainingoperatingsystemiseasiersincedevelopersdon’thavetomodifythe94everytimetheymustacidanewfeature. 91是
Alocal-areanetworkLANisacommunicationsnetworkthat125avarietyofdevicesandprovidesa126forinformationexchangeamongthosedevices.ThescopeoftheLANissmalltypicallyasinglebuildingoracluster丛ofbuildings.TheLANisusuallyownedbythesameorganizationthatownsthe127devices.TheinternaldatarateofLANisatleastseveralMb/s. ThebasicofLANcommunicationisbroadcasting.Ateachstationthereisatransmitter/receiverthatcommunicatesovera128sharedByotherstations.Atransmissionfromanyonestationis129toandreceivedbyallotherstations. 125是
Therelationaldatabasemodelrequiresthedatabe110throughprogramsthatdon’trelyonthepositionofthedatainthedatabase.Thisisindirect111totheotherdatabasemodewheretheprogramhastofollowaseriesofpointerstothedataitseeks.Aprogram112arelationaldatabasesimplyasksforthedataitseeks;theDBMSperformsthenecessarysearchesand113theinformation.The114onhowthesearchisdonearespecifictotheDBMSandvaryfromproducttoproduct. 113是
Inobject-oriented51objectscanbeviewedasreusablecomponentsandoncetheprogrammerhasdevelopeda52ofthesecomponentshecan53theamountofnewcodingrequired.But52a54isnosimpletaskbecausetheintegrityoftheOriginalsoftwaredesigniscritical.Reusabilitycanbeamixedblessingforusertooasaprogrammerhastobeabletofindtheobjectheneeds.Butif55isyouraimreusabilityisworththerisk. 55是
Networkmanagershavelong140practicalvoice-over-IPVOIPsolutions.VOIP141easenetworkmanagementanddecreasescostsbyconvergingacompany’stelephonyanddatainfrastructuresintoonenetwork.AndaVOIPsolutionimplementedatacompany’shead-quarterswithfar-reachingbranchofficescan142tremendousamountsof143inlongdistancephonebillsprovidedthatsolutiondeliversPOTS-likevoice144overtheInternet. 140是
Alocal-areanetworkLANisacommunicationsnetworkthat125avarietyofdevicesandprovidesa126forinformationexchangeamongthosedevices.ThescopeoftheLANissmalltypicallyasinglebuildingoracluster丛ofbuildings.TheLANisusuallyownedbythesameorganizationthatownsthe127devices.TheinternaldatarateofLANisatleastseveralMb/s. ThebasicofLANcommunicationisbroadcasting.Ateachstationthereisatransmitter/receiverthatcommunicatesovera128sharedByotherstations.Atransmissionfromanyonestationis129toandreceivedbyallotherstations. 127是
WhilemostrecentattentionintheAIfieldhasbeenfocusedonexpertsystemsoftwareAI66hasalsoseendramaticadvances.Activityinthepastyearswascharacterizedbynewlow-costpowerfulLispmachinestheintroductionofAIworkstationsLispcompilersbecomingavailableforallmajorprofessionalandengineeringworkstationsandthepersonalcomputeremergingasa67.toolforexpertsystemdevelopment.Thenextfewyearswillseethistechnologyevolvesfurther. Becausethe68ofanAIcomputerrepresentsasizableinvestmentcompaniesshouldcarefully69alloptionsthatareavailableaswellashaveagoodideaofwhatthenextgenerationofsystemswillofferinorderto70theoptimumsystem.Thispublicationprovidestheinformationnecessarytogainthisunderstanding. 70是
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 24
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 22
In85softwareonequestionofnear-universalinterestishowrapidlyWindowsNTwhichbeganshippinglastsummerwillbe86inthemarketplaceandforwhatuses.Forthemostpartobserversare87abouttheoperatingsystem’slongtermprospectsbutexpectittoremainon88ratherthandesktopsduring1994sayingthatitwon’tbecomeamainstreamproductuntil89PCstypicallyhave16to24MBofRAMwhichisunlikelytohappennextyear. 88是
Forusersmicrokerneltechnologypromises90compactandsophisticatedoperatingsystemsthataretypically91acrossarangeofhardwareplatforms.Theseoperatingsystemswillbecustomizabletoletusersrunmultipleoperatingsystemandapplication"personalities"ontopofasinglemicrokernel92. Microkernelbasedsystemscanprovidethisflexibilitybecausethecoreoperatingsystemfunctionsare93fromthelargenumberofutilitiesfeaturesandextensionsthatarelayeredontopofthem.Asaresultupdatingandmaintainingoperatingsystemiseasiersincedevelopersdon’thavetomodifythe94everytimetheymustacidanewfeature. 93是
Networkmanagershavelong140practicalvoice-over-IPVOIPsolutions.VOIP141easenetworkmanagementanddecreasescostsbyconvergingacompany’stelephonyanddatainfrastructuresintoonenetwork.AndaVOIPsolutionimplementedatacompany’shead-quarterswithfar-reachingbranchofficescan142tremendousamountsof143inlongdistancephonebillsprovidedthatsolutiondeliversPOTS-likevoice144overtheInternet. 144是
Alocal-areanetworkLANisacommunicationsnetworkthat125avarietyofdevicesandprovidesa126forinformationexchangeamongthosedevices.ThescopeoftheLANissmalltypicallyasinglebuildingoracluster丛ofbuildings.TheLANisusuallyownedbythesameorganizationthatownsthe127devices.TheinternaldatarateofLANisatleastseveralMb/s. ThebasicofLANcommunicationisbroadcasting.Ateachstationthereisatransmitter/receiverthatcommunicatesovera128sharedByotherstations.Atransmissionfromanyonestationis129toandreceivedbyallotherstations. 129是
Inobject-oriented51objectscanbeviewedasreusablecomponentsandoncetheprogrammerhasdevelopeda52ofthesecomponentshecan53theamountofnewcodingrequired.But52a54isnosimpletaskbecausetheintegrityoftheOriginalsoftwaredesigniscritical.Reusabilitycanbeamixedblessingforusertooasaprogrammerhastobeabletofindtheobjectheneeds.Butif55isyouraimreusabilityisworththerisk. 53是
Whenmostpeoplerefertomultimediatheygenerallymeanthecombinationoftwoormorecontinuousmediausuallywithsomeuser115.Inpracticethetwomediaarenormallyaudioandvideothisis116plusmoving117. Itshouldbe’obviousbynowthattransmittingmultimediamaterialinuncompressedformiscompletelyoutof118.Theonlyhopeisthatmassivecompressionispossible.Fortunatelyalargebodyofresearchoverthepastfewdecadeshasledtomanycompressiontechniquesandalgorithmsthatmakemultimediatransmission119. 115是
Networkmanagershavelong140practicalvoice-over-IPVOIPsolutions.VOIP141easenetworkmanagementanddecreasescostsbyconvergingacompany’stelephonyanddatainfrastructuresintoonenetwork.AndaVOIPsolutionimplementedatacompany’shead-quarterswithfar-reachingbranchofficescan142tremendousamountsof143inlongdistancephonebillsprovidedthatsolutiondeliversPOTS-likevoice144overtheInternet. 142是
Object-orientedDBMSintegratedavarietyof81datatypes-suchasbusinessproceduresgraphicspicturesvoiceandannotatedtext. Objectorientationalsomakesa82toapplicationdevelopmentefficiency.Itmakesthedatafunctionsattributesandrelationshipsanintegralpartofthe83.Inthiswayobjectscanbereusedandreplicated. SomeleadingRDBMSvendorssupporttheconceptofintegratingobjectmanagementcapabilitieswiththeircurrentlineofrelationalproducts.Thatcapabilityenableuserstothedevelopmentcyclesinceintegritylogicandbusinessrolesnolongerneedtobeprogrammed84eachapplication. 83是
In85softwareonequestionofnear-universalinterestishowrapidlyWindowsNTwhichbeganshippinglastsummerwillbe86inthemarketplaceandforwhatuses.Forthemostpartobserversare87abouttheoperatingsystem’slongtermprospectsbutexpectittoremainon88ratherthandesktopsduring1994sayingthatitwon’tbecomeamainstreamproductuntil89PCstypicallyhave16to24MBofRAMwhichisunlikelytohappennextyear. 86是
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 6
WhilemostrecentattentionintheAIfieldhasbeenfocusedonexpertsystemsoftwareAI66hasalsoseendramaticadvances.Activityinthepastyearswascharacterizedbynewlow-costpowerfulLispmachinestheintroductionofAIworkstationsLispcompilersbecomingavailableforallmajorprofessionalandengineeringworkstationsandthepersonalcomputeremergingasa67.toolforexpertsystemdevelopment.Thenextfewyearswillseethistechnologyevolvesfurther. Becausethe68ofanAIcomputerrepresentsasizableinvestmentcompaniesshouldcarefully69alloptionsthatareavailableaswellashaveagoodideaofwhatthenextgenerationofsystemswillofferinorderto70theoptimumsystem.Thispublicationprovidestheinformationnecessarytogainthisunderstanding. 66是
热门题库
更多
初级信息处理技术员
中级数据库系统工程师
中级多媒体应用设计师
高级系统分析师
高级网络规划设计师
高级系统架构师
中级信息系统监理师
初级通信工程师
中级通信工程师
通信新技术、新业务知识
无线通信专业技术
移动通信专业技术
有线传输专业技术
电话交换专业技术
电信网络专业技术
计算机通信专业技术
湘公网安备 43130202000226号