adplus-dvertising
frame-decoration

Question

A map of entities and their attributes and relations is represented by ____________.

a.

Logical Schema

b.

Physical Schema

c.

Conceptual Schema

d.

None of these

Answer: (a).Logical Schema

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. A map of entities and their attributes and relations is represented by ____________.

Similar Questions

Discover Related MCQs

Q. Arrange the database Schema's in Appropriate order -

1. Logical Schema
2. Conceptual Level
3. Physical Level

Q. Schema Definition is written by _________.

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

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

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

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

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

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?

Q. A binary relationship is which of the following?

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

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

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

Q. A good identifier is which of the following?

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

Q. A ternary relationship involves how many entities?

Q. A relationship is which of the following?

Q. A composite attribute is which of the following?

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

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

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