13 of 40 Consider the following E/R diagram with isa relationships, noting that attribute a is the key of R. If we use an E/R-style approach and convert this diagram into relations, which of the following relations will be among the result? Select one: O ST(a,b,c,d) O S(a,c) O T(a,b,d) O R(a,c,d)

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: Consider the following E/R diagram with isa relationships, noting that attribute a is the key of R.…

A: Answer: option4 (T(a,b,d))

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: 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: How do you map a "Many to Many" relationship when mapping ER Diagram to Schema Select one: O a. Take…

A: How do you map many to many relationship when mapping ER diagram. Many to many relation happens when…

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: Given diagram contains three entities and there must be some attributes for the given entities. That…

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: Given diagram contains three entities, and consider attributes for each entity as below: School:…

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: Client ID, first_name, last_name, address, phone_number Reservation ID, date_of_reservation,…

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: 3NF or Third Normal Form:A relation is in third normal form, if it satisfies following conditions-…

Q: a. What characteristics do tables that conform to the concept of well-informed relations have? b.…

A: Actually all this three concept are related to database.

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

A: Transforming ER diagrams into relations requires the construction of actual relations observing the…

Q: What characteristics do tables that conform to the concept of well-informed relations have? [ 1 b.…

A: let us see the answer:- Since it is a multi-part question we are answering the first 2 questions for…

Q: Consider the below given ER diagram: El RI R2 RS R4 R3 The minimum mumber of relations required to…

A: Introduction :Given , An ER diagramWe have to find the number of relations required to represent the…

Q: a. What characteristics do tables that conform to the concept of well-informed relations have? b.…

A: There are some characteristics for the tables that conforms the concept of well informed relations…

Q: Exercise One | 1..* K 0..1 G Identify all the relationships in the UML relationship diagram above.

A: Symbols are: form first image: (A B F and E) A "has a" B (Aggregation), B "is a" E   (Inheritance)…

Q: Consider the below given ER diagram: El E2 E3 RE The minimum number of relations required for the…

A: Introduction :We have given an ER diagram , we have to calculate the minimum numberof relations…

Q: What is the reason for normalised relations may not compromise an efficient physical implementation…

A: Normalized relations may also not jeopardize the efficiency of the simple geometric structure, as…

Q: Provide examples of relations that could have more than one candidate key.

A: Candidate key A candidate key is recognized as a "set of attributes" (or fields) with the ability…

Q: Draw the Dependency Diagram that is in 3NF for each relation. For each relation show the level of…

A: The steps are explained below.

Q: What is the reason that normalized relations may not compromise an efficient physical implementation…

A: Normalized relations don't always jeopardize the performance of the simple geometric structure,…

Q: The foreign key must be in one side table when a relationship is 1:N. At the implementation level,…

A: Defined given statements true or false

Q: Extract and write down the DB Schema for the following E-R Diagram. You need to write the name,…

A: Terminology used in this E-R diagram:

Q: Create an E-R diagram, show entities, properties, relationships, and related cardinality…

A: Given : There are customers participating in the activities. Customers' ID, name, surname, age,…

Q: 4-53. Figure 4-40 O shows an EER diagram for a university dining service organization that provides…

A: The given requirements below are done  in below sections  Conversion of the given ERD into…

Q: Given the ER diagram below, create relation schemas to capture the database design.

A: Database Management System(DBMS) is a software for storing and retrieving users data while…

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

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

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

A: Dear Student, In 3NF there must be only one primary key and all the non-key attributes must be…

Q: Modify and (if required) correct the following ER diagram in to a more complex er diagram with more…

A: The ER diagram is been modified with some extra attributes and relationship

Q: Draw an Entity Relationship Diagram of Store Management System(Retail Store Database). Properly…

A: table: customer table - C_ID (primary key) bill table - Bill_ID (primary key) employee table - E_ID…

Q: Subject: Database Identify ALL errors and correction on the entity relationship diagram (ERD) given…

A: The er diagram with a mistake is highlighted in figure 1 and correct er diagram is given below in…

Q: ) Identify ALL errors and correction on the entity relationship diagram (ERD) given in Figure 5.…

A: Entity Relationship Diagram

Q: How is a relationship between entities indicated in an ERD? Give an example using the Crow’s Foot…

A: Relationship Representation in ERD(Entity Relationship Diagram):-   ER diagram or Entity…

Q: Which formal method that locates and analyses relation schemas on the basis of their primary,…

A: Normalization that locates and analyses relation schemas on the basis of their primary, candidate…

Q: The code below demonstrates an important OOP characteristic. Describe this characteristic, then…

A: Given a piece of code, to determine the OOP characteristic shown.

Q: The code below demonstrates an important OOP characteristic. Describe this characteristic, then…

A: Object oriented is a programming concept which has features like class, object, polymorphism,…

Q: 1. Write its relational schema and draw its dependency diagram. 2. Label all transitive and/or…

A: DINNER ( MEMBER_NUM, MEMBER_NAME, MEMBER_ADDRESS, MEMBER_CITY, MEMBER_ZIPCODE, INVITE_NUM,…

Q: Draw the Dependency Diagram that is in 3NF for each relation. For each relation show the level of…

A: Although Second Normal Form (2NF) relations have less redundancy than those in 1NF, they may still…

Q: Consider the following E/R diagram with isa relationships, noting that attribute a is the key of R.…

A: i have provided solution in step2

Q: A binary relationship that is one-to-many in an ERD is best represented by adding the primary key…

A: Lets see the solution.

Q: What are the requirements that two relations must satisfy in order to be considered union…

A: Union compatibility: In a database, relations are a set of tuples. Hence, set of operation can be…

Q: Hi, I could use help on making crows-foot notation ERD's for this problem. Ultimately it should be…

A: Given Data : Given the three tables. The task is to connect the table with the help of an ERD…

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: Based on the set of 3NF relations derived in (b), draw a complete entity relationship diagram (ERD)…

A: Employee Record ( Name, Emp Number, Address, DOB) Course Attended ( Number, Description, Location,…

Q: :For each entity, the name of the identifier is underlined on an E-R diagram a O identified by using…

A: Please give positive ratings for my efforts. Thanks.   ANSWER   For each entity, name of the…

Q: Translate the E/R diagram that you draw in the previous question into a set of relations, clearly…

A: Given Figure :-

Q: 3.2. Change the provided dependency diagram below to 3NF. You only have to draw the final dependency…

A: Change the given dependency diagram to 3NF

Q: List three criteria that indicate that a surrogate key should be generated for the main key of a…

A: We have to write three criteria that indicate that a surrogate key should be generated for the main…

Q: A simple(Atomic) attribute is Select one: O a. an attribute that can be devided to smaller sub parts…

A: A simple (atomic) attribute is__________?