CHECKPOINT 10.2 1. How are the mappi ng rules for generalizations/specializations differ- ent from the mapping rules for weak entities? 2. Would it be wise to map Figure 10.3 using mapping rule 17? V hy or why not? 3. Which mapping rules are good to use if there are too man on the subclasses? 4. Which mapping rule or rules will not work well for overlapping subclasses? 5. When would you create an overlapping relationship? 6. When would you create a disjoint relationship? 7. Does mapping rule 15 create relations in 3NF? Discuss. 8. Does mapping rule 16 create relations in 3NF? Discuss