use draw a simple    diagram of any two entities linked    via relationship. On one of the    entities, write your university ID

Q: It is essential to discuss the various database table possibilities when dealing with subtype…

A: A company's Contacts table may store supplier names, e-mails, and phone numbers.Because other…

Q: 39 Refer to the following ER diagram to answer the question below: PK Student SSN Name Year GPA How…

A: Answer:-   The correct answers are: A) The CampusID attribute in the Registration relation is a…

Q: Why do the functional dependencies among a relation's attributes have to do with the primary key of…

A: Dear Student, The detailed answer to your question is given below -

Q: 1. Translate the following ER diagram into Relational Schema. Don't forget to put in the foreign key…

A: SOLUTION -Given ER diagramBuilding Entity:Attributes:nameComposite…

Q: What is the difference between an attribute with numerous values and a recurring group?

A: An attribute is fields that may be originate in a database management system (DBMS). Constituent of…

Q: I have to generate a set of relations and functional dependencies which IS in BCNF, but IS NOT…

A: Answer is given below .

Q: What does it mean to be related? How do you define a relation's properties?

A: Relation is a property of set that we study in discrete math. Two set be said as related when it…

Q: Kindly find attached. Normalize the relations into first, second, and third normal form. First,…

A: The answer is given below:-

Q: Create a rule to extract attributes from one entity type and set them in another.

A: GIVEN: Create a rule to extract attributes from one entity type and set them in another.

Q: Implement a new independent entity phone in the Sakila database. Attributes and relationships are…

A: There is only one error in the above code and that is the ALTER TABLE command on the address table.…

Q: What does the term "relationship" mean? What are the qualities of a relation defined as?

A: A relation is a table with two dimensions. It includes the quantity of columns and rows (tuples)…

Q: 1. Describe entity constraint in your own words  2. what type of key satisfies the uniqueness…

A: This constraint says that the primary key of a table can never be a null value. The primary key is…

Q: Using a document at your own school (for example, a class schedule), determine the attributes…

A: Solution  The provided database with attribute tables: a) Student_Table(std_id, std_name,…

Q: ERD and Keys A hotel has many rooms.  A guest can make a reservation for one room or multiple…

A: ERD is called the Entity-Relationship model. ERD diagrams are used to draw the relationships between…

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.