The one line between "MANAGES" Relationship and "PROFESSOR" Entity type is known as: O 1. Total Participation O 2. Partial Participation O 3. Cardinalities O 4. Entity Set

Q: For each entity, there needs to be an indication of whether it is one-to-one, one-to-many or…

A: The answer is

Q: What is the difference between a weak entity and one that requires communication?

A: Answer: The other entity that is required for communication is a strong entity. So, Weak entity and…

Q: Give a simple example of an E-R diagram for each concept and then write the business rules for each…

A: In an Entity-Relationship (ER) diagram, an associative entity is an entity that represents a…

Q: Question 13 Which of the following about enhanced entity relationship modeling is/are correct?…

A: Question 13 When subtypes are overlapping, an additional field must be added to the supertype to…

Q: Why are weak and strong entity sets different?

A: Entity sets in database design refer to collections of related entities or objects. Weak entity sets…

Q: Given the ER diagram to the right, which entity types deserve to stay entity types and which ones…

A: Given the ER diagram to the right, which entity types deserve to stay entity types and which ones…

Q: Draw a Model Entity Relationship diagram with the following data. Entity Person Forecast Recipe…

A: In this question, we have to design a UML ER diagram for the given medical industry system.Let's…

Q: It's not immediately clear what distinguishes a weak entity from a strong entity that requires a…

A: Entity is a real world object or thing with independent existence. Entities are independent and can…

Q: according to this Class diagram, i need you to draw Entity–relationship diagram  Note : Please this…

A: Given sub parts of the question are too big, As per our company guidelines, only one question will…

Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…

A: 1.A student can only one Social Security number while a Social Security number can belong to only…

Q: t's not immediately clear what distinguishes a weak entity from a strong entity that requires a…

A: Introduction: The existence of a weak entity is contingent on the presence of a strong entity. A…

Q: What is NOT another name for an associative entity? Linking table Bridge entity…

A: An Association Entity in the Business Data Model (BDM) represents a mapping between two base…

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.