Whenever possible, you should work to ________________ false subjects in your writing

Data redundancy is used to establish relationships between data but is never used to improve database performance

Indicate whether the statement is true or false

Which of the following is the correct technique for representing a M:N relationship using the relational model?

A) An intersection relation is created, and the key of either entity is placed as a key in both the intersection relation and in the other relation. B) An intersection relation is created with a surrogate key, which is placed in each of the parent entities. C) An intersection relation is created, and the keys of both parent entities are placed as a composite key in the intersection relation. D) The key from either relation is placed as a foreign key in the other relation. E) None of the above