For each table, identify a superkey and a secondary key.
Answer to relevant QuestionsCreate the ERD for this database.Modify the ERD you created in Problem 25 to eliminate the problems created by the use of synonyms. What two conditions must be met before an entity can be classified as a weak entity? Give an example of a weak entity.Briefly, but precisely, explain the difference between single-valued attributes and simple attributes. Give an example of each.Describe precisely the composition of the DEPENDENT weak entity’s primary key. Use proper terminology in your answer.
Post your question