Q. An oval represents which of the following in an ERD?

View solution

Q. An entity name should be which of the following?

View solution

Q. An attribute name should be which of the following?

View solution

Q. A binary relationship cannot be which of the following?

View solution

Q. If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?

View solution

Q. A binary relationship is which of the following?

View solution

Q. When the minimum number of instances of an entity is one, you know which of the following?

View solution

Q. When the minimum and maximum number of instances of an entity is one, you know which of the following?

View solution

Q. A good business rule is which of the following?

View solution

Q. A good identifier is which of the following?

View solution

Q. Which of the following conditions should exist if you want to convert a relationship to an associative entity?

View solution

Q. A ternary relationship involves how many entities?

View solution

Q. A relationship is which of the following?

View solution

Q. A composite attribute is which of the following?

View solution

Q. A rectangle represents which of the following in an EER?

View solution

Q. An oval represents which of the following in an EER?

View solution

Q. A subtype entity name should be which of the following?

View solution

Q. Inheritance is which of the following?

View solution

Q. Use of a supertype/subtype relationship is necessary when which of the following exists?

View solution

Q. When an entity instance must be a member of only one subtype, it is which of the following?

View solution