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1、JDBC(JavaDataBaseConnectivity)JDBC(JavaDataBaseConnectivity,)isaSQLstatementfortheimplementationoftheJavaAPI,foravarietyofrelationaldatabasestoprovideaunifiedvisitbyagroup,it’susingJavalanguagepreparationclassesandinterface.JDBCfortools/databasedevelopmentprovidesas
2、tandardAPI,whichcanbuildmoresophisticatedtoolsandinterfacestodatabasedevelopers.PureJavaAPIcanbeusedtopreparedatabaseapplications,atthesametime,JDBCisalsoabrandname.WithJDBC,datasenttothevariousrelationshipsSQLstatementisaveryeasymatter.InotherwordswithJDBCAPI,wedon
3、othavetovisitaSybasedatabasetowritespecializedprocedures,visittheOracledatabasespecificallytowriteaprogram,orvisitInformixdatabaseandthepreparationofanotherprocedure,programmersshouldusetheJDBCAPItowriteaprocedureenough,itcanbesenttothecorrespondingSQLdatabasecalls.
4、Meanwhile,theJavalanguageandJDBCtointegratenon-programmersdonothaveto,withaplatformforthepreparationofdifferentapplications,justwriteitagainintheprocesscanberunonanyplatform,whichistheJavalanguage"Writeonce,runeverywhere"advantage.JavadatabaseConnectArchitectureforJ
5、avaapplicationofthestandardmethodofconnectingtothedatabase.JDBCisthecaseofJavaprogrammersAPI,andtherealizationofthedatabaseconnectionisthecaseofserviceprovidersinterfacemodel.AsAPI,JDBCprogramdevelopmentfortheprovisionofstandardinterfaces,anddatabasevendorsandthird-
6、partymiddlewarevendorstoachieveconnectivityanddatabaseprovidesastandardmethod.JDBCusetheexistingSQLstandard-Supportandotherdatabasesandconnectivitystandards,suchasbridgebetweenODBC.JDBCachievealltheseobjectivesandstandardsforasimple,high-performanceandstrictdefiniti
7、onofachievingtypeinterface.Javawithasolid,safe,easytouse,easytounderstandandcanbeautomaticallydownloadedfromtheInternetandothercharacteristicsofthepreparationoftheoutstandingdatabaseapplicationlanguage.NeedisaJavaapplicationDatabasewithavarietyofdifferentproceduresf
8、oradialoguebetweenthemethods.TheJDBCisthemechanismforsuchpurposes.JavaJDBCexpandedfunctionality.Forexample,withJavaandJDBCAPIAppletcanbeis
