Answer: C is the correct answer. Took the quiz.
Explanation:
D has been given several times, but it is wrong.
To enforce referential integrity, the database can return an error instead of doing the requested action or do the requested action and do the related changes to the related tables
Thus the answer is either a or b.
Explanation:
When the given data base in a table is valid and if it is consistent then it is called as referential integrity and it also refers to the consistency within the relationship. This type of database is much important because it will keep us introducing to the errors in the databases and it also checks if the reference from one table is equal to the other table.
The main function is to prevent the users from entering the wrong and inconsistent data. So in referential integrity the database will return the error instead of doing the required action or it can do the related changes to the related tables.
Answer: D
Explanation:
Social science is a branch of science that is devoted to the study of humans and the relationship that exists between them in the society. Social science consist of a large range of discipline which can be studied in higher institutions such as economics, sociology, anthropology, linguistic , political science, psychology, social history etc.
Social science studies the society and the way people behave and their impact on the world. Social science gives an insight into how the society works such as causes of unemployment, importance of economic growth, causes of migration, why people vote and so on.
