基于ASPNET的酒店管理系统过程材料论文.docx

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基于ASPNET的酒店管理系统过程材料论文

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毕业设计（论文）附属过程管理材料

（201届）

专业计算机科学与技术

教务处印制

1.本科毕业设计（论文）选题审批表

2.本科毕业设计（论文）任务书

3.外文原稿（复印件）与译文

4.文献综述（前言、主题、总结、参考文献）

5.本科毕业设计（论文）开题报告

6.本科毕业设计（论文）中期检查报告

8.本科毕业设计（论文）评阅人评阅表

9.软件验收评分表

10.本科毕业设计（论文）答辩记录表

11.本科毕业设计（论文）答辩评分表

12.本科毕业设计（论文）评分表

13.校级优秀毕业设计（论文）推荐表

本科毕业设计（论文）选题审批表

毕业设计（论文）任务书

学生（签名）

开始执行任务日期年月日

毕业设计（论文）——外文翻译（原文）

AppropriateUsesForSQLite

SQLiteisdifferentfrommostotherSQLdatabaseenginesinthatitsprimarydesigngoalistobesimple:

●Simpletoadminister

●Simpletooperate

●Simpletoembedinalargerprogram

●Simpletomaintainandcustomize

ManypeoplelikeSQLitebecauseitissmallandfast.Butthosequalitiesarejust,thereislesstogowrong.So,yes,SQLiteissmall,fast,andreliable,butfirstandforemost,SQLitestrivestobesimple.

Simplicityinadatabaseenginecanbeeitherastrengthoraweakness,dependingonwhatyouaretryingtodo.Inordertoachievesimplicity,SQLitefunctions,storedprocedures,esotericSQLlanguagefeatures,XMLandorJavaextensions,tera-orpeta-bytescalability,andsoforth.Ifyouneedsomeofthesefeaturesanddonotmindtheaddedcomplexitythattheybring,thenSQLiteisprobablynotthedatabaseforyou.SQLiteisnotintendedtobeanenterprisedatabaseengine.ItisnotdesignedtocompetewithOracleorPostgreSQL.

ThebasicruleofthumbforwhenitisappropriatetouseSQLiteisthis:

UseSQLiteinsituationswheresimplicityofadministration,implementation,andmaintenancearemoreimportantthanthecountlesscomplexfeaturesthatenterprisedatabaseenginesprovide.Asitturnsout,situationswheresimplicityisthebetterchoicearemorecommonthanmanypeoplerealize.

AnotherwaytolookatSQLiteisthis:

SQLiteisnotdesignedtoreplace Oracle.Itisdesignedtoreplace fopen（）.

SituationsWhereSQLiteWorksWell

●ApplicationFileFormat

SQLiteusedwithgreatsuccessastheon-diskfileformatfordesktopapplicationssuchasfinancialanalysistools,CADpackages,recordkeepingprograms,andsoforth.ThetraditionalFileOpenoperationdoesansqlite3_open（）andexecutesaBEGINTRANSACTIONtogetexclusiveaccesstothecontent.FileSavedoesaCOMMITfollowedbyanotherBEGINTRANSACTION.Theuseoftransactionsguaranteesthatupdatestotheapplicationfileareatomic,durable,isolated,andconsistent.

Temporarytriggerscanbeaddedtothedatabasetorecordallchangesintoa（temporary）undoredologtable.ThesechangescanthenbeplayedbackwhentheuserpressestheUndoandRedobuttons.Usingthistechnique,anunlimiteddepthundoredoimplementationcanbewritteninsurprisinglylittlecode.

●Embeddeddevicesandapplications

BecauseanSQLitedatabaserequireslittleornoadministration,SQLiteisagoodchoicefordevicesorservicesthatmustworkunattendedandwithoutsupport.SQLiteisagoodfitforuseincellphones,PDAs,set-topboxes,andorappliances.Italsoworkswellasanembeddeddatabaseindownloadableconsumerapplications.

●Websites

SQLiteusuallywillworkgreatasthedatabaseengineforlowtomediumtrafficwebsites（whichistosay,99.9%ofallwebsites）.TheamountofwebtrafficthatSQLitecan100Kdemonstratedtoworkwith10timesthatamountoftraffic.

Replacementfor ad（）,fread（）,andfwrite（） tocreateandmanagefilesofdatainformats.SQLiteworksparticularlywellasareplacementforthese addiverseways,itisofteneasierandquickertoloadthedataintoanin-memorySQLitedatabaseandusequerieswithjoinsandORDERBYclausestoextractthedataintheformandorderneededratherthantotrytocodethesameoperationsmanually.UsinganSQLdatabaseinternallyinthiswayalsogivestheprogramgreaterflexibilitysincenewcolumnsandindicescanbeaddedwithoutemploythecommand-line sqlite programtoanalyzemiscellaneousdatasets.RawdatacanbeimportedfromCSVfiles,thenthatdatacanbeslicedanddicedtogenerateamyriadofsummaryreports.Possibleusesincludewebsiteloganalysis,sportsstatisticsanalysis,compilationofprogrammingmetrics,andanalysisofexperimentalresults.

●Stand-inforanenterprisedatabaseduringdemosortesting

Ifyouarewritingaclientapplicationforanenterprisedatabaseengine,itmakessensetouseagenericdatabasebackendthatallowsyoutoconnecttomanydifferentkindsofSQLdatabaseengines.ItmakesevenbettersensetogoaheadandincludeSQLiteinthemixofsupporteddatabasesandtostaticallylinktheSQLiteengineinwiththeclient.ThatwaytheclientprogramcanbeusedstandalonewithanSQLitedatafilefortestingorfordemonstrations.

●DatabasePedagogy

●ExperimentalSQLlanguageextensions

Thesimple,modulardesignofSQLitemakesitagoodplatformforprototypingnew,experimentaldatabaselanguagefeaturesor