Question

True or false

(1)In a fully normalised database, each table should have a primary key and a secondary key.

(2)Cardinality refers to the minimum number of times an instance of one entity should be associated with an instance of a related entity. Group of answer choices

(3)The logical view of databases refer to data that actually exist in the database Group of answer choices​

Answer 1

Answer:

1) False

2) True

3) False

Hope this helped!