The answer to your question is true
Answer:
Correct answer is option B (The reason for using supertypes is to minimize the number of nulls and to minimize the likelihood of redundant relationships)
Explanation:
Entity supertype
A entity supertype is a generic entity type which is related with one or more subtypes.
Use of entity supertype:
The reason for using entity supertype is to reduce redundant relationships and it is also used to minimize the number of nulls.
1936
First programmable computer. The Z1 was created by German Konrad Zuse in his parents' living room between 1936 and 1938. It is considered to be the first electromechanical binary programmable computer, and the first really functional modern computer.
