99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

You create a data block based on a relation table containing a REF column. You select the REF column for your form module. Which statement about the REF column is true?()

A.It is created as a nondisplay item. 
B.The Lock Record property is set to Yes. 
C.It cannot be referenced in item level triggers. 
D.It is placed on the canvas with the highest sequence number.

微信掃碼免費(fèi)搜題