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#8.26 - Which of the following EER diagram(s) is/are incorrect and why? State clearly any assumptions you make. (refer to the diagrams in your text -...

Need to verify answers for attached questions. Please verify and correct. Especially the first answer (is option C incorrect? If so, why?) Second question: please verify if correctly answered and correct if wrong.
#8.26 - Which of the following EER diagram(s) is/are incorrect and why? State clearly any assumptions you make. (refer to the diagrams in your text – they are not too clear here). Only Diagram C is incorrect, because ? #9.4 - Figure 9.8 shows an ER schema for a database that may be used to keep track of transport ships and their locations for maritime authorities. Map this schema into a relational schema, and specify all primary keys and foreign keys. SHIP Sname Owner Type Pname SHIP_TYPE Type Tonnage Hull STATE/COUNTRY STATE/COUNTRY_Name Continent SEA/OCEAN/LAKE SEA/OCEAN/LAKE_Name SHIP_MOVEMENT Sname Date Time Longitude Latitude PORT STATE/COUNTRY_Name Pname SEA/OCEAN/LAKE_Name VISIT VSname VPname Start_date End_date Primary keys are underlined; f.k. are in red
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