Which canvas built-in display the given canvas in front of any stacked canvases?（）

单项选择题YouneedtobaseadatablockontheEMPtable,butyoudonotwanttogivetheusersoftheapplicationaccessprivilegesonthetable.Whichtypeofdatasourcewouldyouusetocreatethedatablock?（）

A.table 
B.transactional trigger 
C.stored procedure 
D.FROM clause query

单项选择题Youneedtodisplayaverylargesingle-recorddatablock.Sinceitwillbesolarge,aconvenientmeansofnavigationisneededbetweenitems.Whichtypeofcanvaswouldyouusetodisplaythedatablock?（）

A.Tab canvas. 
B.Pop up canvas. 
C.Spread table canvas. 
D.Vertical toolbar canvas.

单项选择题WhichvalueisvalidfortheiterateparameterintheCREATE_TIMERbuilt-infunction?（）

A.CYCLE 
B.ITERATE
C.NO_REPEAT 
D.REUSE

单项选择题Form_AinvokesForm_BinPost-Onlymode.Whichstatementmustbetrue?（）

A.Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in. 
B.Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the CALL_FORM built-in. 
C.Form_A has inserts that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in. 
D.Form_A has inserts that have not been posted or committed, and Form_A invokes Form_B with the CALL_FORM built in.

单项选择题YourenduserswillneedtochangevaluesinaREFlookupfieldintheformapplicationyoucreate.Tofacilitatechoosinganewappropriatevalue,yourprovidethemwith?（）

A.An LOV for REFS. 
B.A list item for REFs. 
C.A radio group for REFs. 
D.A hierarchical tree for REFS