单项选择题

Whichstatementistrueaboutmouseevents?（）

A.ThecursorstylecanbesettoCAUTION.
B.Double-clickingamousebuttoncanpotentiallyfiresixmouseeventtriggers.
C.ThevaluesfortheSYSTEM.MOUSE_BUTTON_PRESSEDsystemvariablecanonlybe1or2.
D.Clickanddouble-clickbuttonactionscanonlydetectifthemouseispositionedinanitem.
<上一题 目录 下一题>
热门 试题

单项选择题
YouneedtoperformanonlinetableredefinitionofanexistingSALEStabletopartitionitintotwotablespacesTBS1andTBS2.TheSALEStablehasamaterializedview，materializedlog，indexes，referentialintegrityconstraint，andtriggerswiththePRECEDESclauseexistingonit.Whatactionisrequiredfordependentobjectswhenyouperformonlinetableredefinition？（）A.Thedependentmaterializedviewshouldhaveacompleterefreshperformedaftertheonlinetableredefinitionprocess.B.TriggerswiththePRECEDESclauseshouldbedisabledbeforetheonlinetableredefinitionprocess.C.Referentialintegrityconstraintsmustbemanuallyenabledaftertheonlinetableredefinitionprocess.D.Thematerializedlogshouldbedroppedbeforetheonlinetableredefinitionprocess.
A.TheSALEStablehasamaterializedview，materializedlog，indexes，referentialintegrityconstraint，andtriggerswiththePRECEDESclauseexistingonit.Whatactionisrequiredfordependentobjectswhenyouperformonlinetableredefinition？（）
A.Thedependentmaterializedviewshouldhaveacompleterefreshperformedaftertheonlinetableredefinitionprocess.
B.TriggerswiththePRECEDESclauseshouldbedisabledbeforetheonlinetableredefinitionprocess.
C.Referentialintegrityconstraintsmustbemanuallyenabledaftertheonlinetableredefinitionprocess.
D.Thematerializedlogshouldbedroppedbeforetheonlinetableredefinitionprocess.
单项选择题
YouarecreatingtheDEPT_SALdatablockfromthePAYHISTform.UsersshouldbeabletoenteravaliddepartmentIDnumber,whichwillthendisplaytheemployeesalaryinformationforthatdepartment.Thisdatablockcouldpotentiallyretrievealargenumberofrecords.Sinceuserswillprobablyonlyviewasmallnumberoftheserecords,only10recordsshouldbefetchedatonetime.Howwouldyoucreatethedatablock?（）A.SelectTheDataBlocksnodeintheObjectNavigatorandclicktheCreatebutton.Choosetobuildthedatablockmanually,entertheprocedurenameintheQueryDataSourceColumnsproperty,andtheprocedurecodeintheQueryDataSourceArgumentsproperty.B.ChooseTools->DataBlockWizard,selectTableasthedatasourcetype,andbasetheblockonthecolumnsfromthetables.C.ChooseTools->DataBlockWizard,select,Viewasthedatasourcetype,andbasetheblockonthecolumnsfromthetables.D.SelecttheDataBlocksnodeintheObjectNavigatorandclicktheCreatebutton.Choosetobuildthedatablockmanually,altertheQueryDataSourceTypepropertyto‘FROMclausequery‘,andentertheSELECTstatementintheQueryDataSourceNameproperty.E.SelecttheDataBlocknodeintheObjectNavigatorandclicktheCreatebutton.AltertheQueryDataSourceType,QueryDataSourceName,QueryDataSourcesColumns,andQueryDataSourceArgumentspropertiestocreateastoredprocedurethatusesaredcursor.
A.UsersshouldbeabletoenteravaliddepartmentIDnumber,whichwillthendisplaytheemployeesalaryinformationforthatdepartment.Thisdatablockcouldpotentiallyretrievealargenumberofrecords.Sinceuserswillprobablyonlyviewasmallnumberoftheserecords,only10recordsshouldbefetchedatonetime.Howwouldyoucreatethedatablock?（）
A.SelectTheDataBlocksnodeintheObjectNavigatorandclicktheCreatebutton.Choosetobuildthedatablockmanually,entertheprocedurenameintheQueryDataSourceColumnsproperty,andtheprocedurecodeintheQueryDataSourceArgumentsproperty.
B.ChooseTools->DataBlockWizard,selectTableasthedatasourcetype,andbasetheblockonthecolumnsfromthetables.
C.ChooseTools->DataBlockWizard,select,Viewasthedatasourcetype,andbasetheblockonthecolumnsfromthetables.
D.SelecttheDataBlocksnodeintheObjectNavigatorandclicktheCreatebutton.Choosetobuildthedatablockmanually,altertheQueryDataSourceTypepropertyto‘FROMclausequery‘,andentertheSELECTstatementintheQueryDataSourceNameproperty.
E.SelecttheDataBlocknodeintheObjectNavigatorandclicktheCreatebutton.AltertheQueryDataSourceType,QueryDataSourceName,QueryDataSourcesColumns,andQueryDataSourceArgumentspropertiestocreateastoredprocedurethatusesaredcursor.
相关试题