Question 38 (2 points) The top-down approach to data modeling derives a data model by reviewing specific business documents. ?True False Save Question 39 (2 points) A ternary relationship is the equivalent of three binary rlationships 20 True False 25 Save 30 Question 40 (2 points) 35 Data-flow diagramming is one of several structured analysis techniques used to increase software development productivity. True False Save