Best data model design based on a generalization relationship

Question

What is the best approach to design a data model based on a generalization relationship. For example imagine there is a based class A and two derived class B and C that inherit class A. Now I want design data model. I have three choices

1) Create Table A and having a type column for specifying B and C data.

2) Create Table A, B and C Just like my class diagram and relate B and C to A.

3) Create Table A, B and C but don't relate B and C to A.

Any clue would be appreciated

Answer 1

Check out this article. Although it is written for JPA, it tells you the pros and cons of each of the strategies you mentioned.