单项选择题
	A.FIELD Type :="action"     
	B.SELECT Type ="action" 
	C.SELECT Type :="action "      
	D.@if (type="action";@success;@failure) 
单项选择题 whichoneofthefollowingbestwherelayercanbeused?()
单项选择题 Derekhascreatedaviewinthesales.nsfdb.Derekwantsthesalesvaluecolumnintheviewtobepunctuatedtodisplaytwodecimalplaces.whichoneofthefollowingshouldhedo?()
单项选择题 wheneduartriedopenthecomingattractionsview.hegotthefollowingerrormessage:incorrectdatatypeforoperatoror@function:textexpected.Whatdidhedotocausethistohappen?()