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Project1MemberManagementSystemSchoolofSoftware,ChengduPolytechnicLecturer:MuQichunTask5WritingRegistrationInformationintoDatabaseConnectingtoMySQLDatabaseandWritingDatawithPHPDatabaseoperationsbyPHPareconcludedasstepsbelow.Pleasefollowthesesteps.Step1:Connectadatabasesever.Thefunctionmysqli_connect(host,username,password,dbname,port,socket)isusedforopeninganewconnectiontoaMySQLsever.ConnectingtoMySQLDatabaseandWritingDatawithPHPStep2:Setacharacterset.Thefunctionmysqli_query(connection,query,resultmode)isusedforinquiringdatabases.Step3:SetaSQLstatement.StructuredQueryLanguage(SQLforshort)isoneprogramminglanguageforspecialpurposesandonelanguagefordatabasequeryandprogramdesign.Itisusedforaccessingdataandquerying,updatingandmanagingrelationaldatabasesystems.Step4:RunaspecifiedSQLstatement.SimilartoStep2,thisstepusesthefunctionmysqli_query.Thereturnvaluesofthefunctionisusedinthisstep.IfthesystemsuccessfullyexecutesthespecifiedSQLstatement,$resultistrue.Otherwise,itisfalse.Whetheranewrecordissuccessfullyinsertedcanbelearnedjustbythetrueorfalsevalue.Runtheprogramanddeterminewhethertogiveareminderofsuccessfulregistrationaccordingtothereturnvalue.ConnectingtoMySQLDatabaseandWritingDatawithPHPIfanyerrorappears,pleasesolvetheerroraccordingtoitsreminder.Forexample,theerrorbelowisMySQLdatabasepassworderrorincurredbyusingthefunctionmysqli_connect.Ifnoerrorappears,areminderofsuccessfulregistrationpopsup.ConnectingtoMySQLDatabaseandWritingDatawithPHPLoginthedatabaseandviewnewrecords.ConclusionThislectureintroduceshowtoconnectaMySQLdatabasevi

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