单项选择题 YouarecreatingtheDEPT_SALdatablockfromthePAYHISTform.UsersshouldbeabletoenteravaliddepartmentIDnumber,whichwillthendisplaytheemployeesalaryinformationforthatdepartment.Thisdatablockcouldpotentiallyretrievealargenumberofrecords.Sinceuserswillprobablyonlyviewasmallnumberoftheserecords,only10recordsshouldbefetchedatonetime.Howwouldyoucreatethedatablock?()
单项选择题 Whichstatementistrueaboutmouseevents?()
单项选择题 Whenisanimplicitanchorcreated?()