Convert the following ER diagram into a relation table.

Q: What are three indications that a surrogate key should be constructed for the primary key of a…

A: Surrogate key is unique key and also called as synthetic primary key. Surrogate key holds anonymous…

Q: Can the foreign key be extracted from another table that is not connected to it in entity…

A: Foreign keys are a part of table which are being sourced from some column in a different table.

Q: Create relational schemas for the ER diagram given below. Indicate clearly the primary and foreign…

A: The answer is

Q: Map the ER diagram below to a set of relations (i.e., relational schema). Underline the primary key…

A: While converting an ER diagram to relational schema, we need to take care of relationship. For many…

Q: Show that if a relation has no attribute that is functionally determined by all the other…

A: Introduction   Show that if a relation has no attribute that is functionally determined by all the…

Q: List three conditions that suggest a surrogate key should be created for the primary key of a…

A: To be determine: List three conditions that suggest a surrogate key should be created for the…

Q: Under what circumstances can an attribute of a relation be of variable length?

A: An attribute of a relation is the characteristic which is specified in a column. A relation is a…

Q: Briefly describe four problems that may arise when merging relations

A: Four problems arise during merging relations and its solution Relation:The relation is a…

Q: Create relational schemas for the ER diagram given below. Indicate clearly the primary and foreign…

A: There will be two relational schema for above ER diagram : 1) Course(Code,Name) It has primary keys…

Q: Consider the following E-R diagram: E1 RI E2 R4 R2 R5 EA R3 E3 What is the minimum number of…

A: Introduction    Given, An ER diagram . We have to calculate the minimum number of relation required…

Q: It is the relation among individual entities and values. O principles patterns state relation

A: In  Step 2, I have provided   correct  option-----

Q: Based on the above Relations/Tables, write description of violations of each of the 3-constrains in…

A: Domain Constraints: This constraint says that the value of the attribute must be available in the…

Q: Demonstrate that if a relation contains no property that is functionally determined by all of the…

A: Introduction   Show that if a relation has no attribute that is functionally determined by all the…

Q: Describe the differences in meaning between the terms relation and relation schema.

A: A relation schema is the combination of list of attributes and their related domain types. An…

Q: 'What's an unnormalized relationship? Is it a relationship according to the term relation…

A: Unnormalized relationship

Q: Convert the ER diagram to relational schema.

A: ER diagram ER diagram is defined as the interconnection of entities and attributes how they are…

Q: Using the descriptions of the attributes given in the following figure,  how to convert the ERD into…

A: The properties of 3NF (3rd Normal Form) is: It is in 2nd normal form. It does not have transitive…

Q: Give an example of a table that is not a relation (other than one from this chapter).

A: Given:   Give an example of a table that is not a relation (other than one from this chapter).…

Q: Describe how the relationship (1:M) of an E-R diagram is transformed into relations

A: Relations:: The entity relationship (ER) information model has existed for over thirty five years.…

Q: example

A: Ternary relations:- When three entities are involved and taking part in a relationship then it is…

Q: Write an SQL Assertion statement to enforce the functional dependency Title → Salary for the…

A: The above question includes two concepts of Assertion Statement and Functional Dependency Title->…

Q: How can we define relation? Identify the characteristics that make up a relation.

A: The table in the relational database or the relationships created between the same tables using…

Q: Following relation schema exists : EMPLOYEE (EMP_ID, EMP_NAME, DEPT, GRADE, SALARY, AGE, ADDRESS).…

A: Answer: Given  EMPLOYEE (EMP_ID, EMP_NAME, DEPT, GRADE, SALARY, AGE, ADDRESS). Functional dependency…

Q: translate the following er diagram  1. normalize the relations to 3NF

A: Given Relations: Volunteer(Volunteer_ID, Volunteer_Name, Other_Details) Volunteer_Task(Volunteer_ID,…

Q: Map the following ER diagram into relational schema showing foreign keys and primary keys. C1 is…

A: Entity_1(A1,A2,A3) here A1 is the primary key and A2 is a multivalued attribute. Entity_2(B1,B2,Q)…

Q: How do you map a "One to Many" relationship when mapping ER Diagram to Schema

A: To map one to many relationships, the primary key on the `one side' of the relationship is added to…

Q: reate a dependency diagram based on this ERD.  Decompose the relation in the resulting dependency…

A: If  а  relаtiоn  is  in  3NF,  it  meаns  thаt  the  dаtаbаse  is  in  the  2NF  аnd  there  аre  nо…

Q: Using the Entity Relationship Diagram you have created, create the tables and insert the values…

A: Below are the create and insert queries:

Q: What is a Ternary Relationship, and how does it work?

A: What is a Ternary Relationship, and how does it work?

Q: Build an entity-relationship diagram, deriving relations and validating relations using…

A: entity-relationship diagram

Q: What exactly is a Ternary Relationship, and how does it function?

A: We know that the relationship of degree three is when three entities participate in an association…

Q: The number of tuples in a relation is referred to as

A: We are given a question related to DBMS and we have to complete the given statement. The question is…

Q: Define the term Relation?

A: Answer: A relation between two sets is a collection of ordered pairs containing one object from…

Q: E-R diagram to a set of relations.

A: Given :- An ER diagram is given in the above question   Need to write the corresponding Relational…

Q: specify the primary key(or keys) and the foreign key (or keys) in each relation. I table does not…

A: A library management system is software that is designed to manage all the…

Q: Convert the following ER diagrams into relational schemas

A: Here we have three entities ie Painting, Artist and Museum. The relationship DoneBy and Exhibits is…

Q: translate the following er diagram  1. normalize the relations to 3NF

A: Dear Student, The 3nf transformation is given below

Q: List three conditions that you can apply to determine whether a relation that is in first normal…

A: Given: List three conditions that you can apply to determine whether a relation that is in first…

Q: Explain the use of the terms relation, tuple, and attribute.

A: Answer: In the language of database historians, term relation is used to denote a Table. Each…

Q: Translate the following ER Diagram into relational model. Show different relations that will result…

A: Please find below the relational model for the ER diagram mentioned above: Newspaper (newsPaperID…

Q: • Apply the appropriate data types to each attribute in all entities • Show relationships between…

A: the EER diagram is an below :

Q: Topic: Database Design and Entity Relationship Diagrams Please convert the following diagram to…

A: An Entity Relation Diagram or ER Diagram or ERD is used to describe or define the structure of the…

Q: Create relational schemas for the ER diagram given below. Indicate clearly the primary and foreign…

A: Question given -  An E-R diagram is given. Convert this E-R diagram into relational schema.…

Q: Consider the following E-R diagram: E1 R'12 R12 M M R22 E2 R23 ЕЗ Which of the following statements…

A: Introduction: We have given an ER diagram as shown in the posted question. Two statements are given…

Q: Convert to 1NF Relation Draw dependency diagram showing all functional dependencies Identify…

A: Rule to convert this tale into 1 NF:-

Q: Show the SQL statements for creating relations corresponding to the entity sets and relationships.…

A: The following SQL statements create the corresponding relations.

Q: Explanation of three circumstances in which a surrogate key should be established for the main key…

A: Introduction: An entity in the client's business or an object in the database that is not the…