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Q: The figure below shows an ER schema for a university database. Map this ER schema into a relational…

A: Since the question refers to a mapping algorithm which is not described in the question we are going…

Q: Consider the following ERD. Draw the Logical schema for the ERD. Underline the primary keys. (IName…

A: The Answer is

Q: Question 12.1 Use the object definition language ODL of the ODMG object model to specify an object…

A: Publication(Catalog, Title) Publisher(Name, City ,Address) Book(Page_count, Format)…

Q: Based on the following domain model class diagram, develop the relational database schemas. Owner…

A: Answer : I attached an relational schema please have  a look  once.

Q: Consider the following schema for a company database and answer the following questions: DEPARTMENT…

A: CREATE statement is used to create any table in the database.  The language to create the data base…

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

A: Relational Model is used for modelling data in the form of relations or tables. It represents how…

Q: Create a Crow's Foot ERD for each of the following descriptions. (Note that the word many merely…

A: Hey, since multiple sub-parts questions posted, we will answer first three sub-part questions…

Q: Typically, a hospital patient receives medication that have been ordered by a particular doctor.…

A: Lets write the business logic first. The business rules between PATIENT and ORDER will be.• A…

Q: 114. A tool that can help designers understand the dependencies of database structures is a: a.…

A: Given data: A tool that can help designers understand the dependencies of database structures is…

Q: Consider the following structure of an inventory Oracle database. HUMERC (B) WOWR) VIMOHAR ( S DECL…

A: Neither not we have to select customers not from new york or grade value greater than 100 i.e less…

Q: OPatientZo OHAR(S) MYSQL Workbench Local nstance MySQLBO X Local inatance M.x MYSQL Model…

A: Answer: I have given answer in details explanation.

Q: Which among the following can be an example of Aggregation relation? a. Car and Passengers b.…

A: In Unified Modified Language models (abbreviated as UML), an aggregation relationship displays a…

Q: Let R and S be two relations with the following schema: R (P.Q. R1, R2, R3) S (P.Q S1, S2) Where (P,…

A: Let R and S be two relations with the following schema R(P,Q−−−−,R1,R2,R3)R(P,Q_,R1,R2,R3)…

Q: Q3. Map the following relational model to an ER Model EMPLOYEE PK FK: EmpID EmpID EmpFName EmpLName…

A: Employee contains Primary key of its own entity as foreign key. Therefore the entity has relation…

Q: I am working on creating a logical entity relationship diagram for my database class. I am wondering…

A: INTRODUCTION: Although the full problem description is not given so deducing the problem /…

Q: 1) Storing same data in many places is called a) iteration b) redundancy c) concurrency d)…

A:

Q: Consider a database with the following tables: Using sql query or steps Patient(PatientID.…

A: I give the code along with the output screenshot

Q: to asked question. Q.No.2. Suppose there is a MySQL database named MyDatabase, the name of…

A: Database output can't be shown as the server metioned is something which can't be run in local…

Q: LECTURER DEPARTMENT give lesson # employee id • TC ld * title * first name work in • last name # id…

A: Here we have 3 relationship between Department and Lecturer.  The 1st relationship teach in is a M:N…

Q: Normalize the following schema, with given constraints, to 4NF.books(accessionno, isbn, title,…

A: To be in 4NF: It should be in the Boyce-Codd Normal Form. And, the table should not have any…

Q: With the following Object Oriented Relational Database schema, select the attributes that a tuple in…

A: Actually, A relational database is a type of  database that stores and provides access to data…

Q: 5. Convert the following ERD to a relational model. SEATING RTABLE Seating ID Uses RTable Nbr Nbr of…

A: ERD(Entity Relationship Diagram) An entity relationship diagram (ERD), also known as an entity…

Q: Consider the following relational database schema that contains information about employees and…

A: {pid,pname} {pid,pname,budget} {pname,managerid} {pname,budget,managerid}

Q: Question 4 Given the Database Design Language (DBDL) for Rio Massage Centre as follows: Note: Date…

A: AppointmentDetails is the name of the table which contains 4 columns. Let ApptNo os the primary key…

Q: Consider a database that consists of the following relations. SUPPLIER(Sno, Sname)) PART(Pno, Pname)…

A: SUPPLIER(Sno, Sname)) PART (Pno, Pname) PROJECT(Jno, Jname) SUPPLY (Sne, Pne, Jno)

Q: QUESTION 3 Consider the following database schema for a library. Book (BookiD:int,…

A: Answer :-- True

Q: Normalize the following schema, with given constraints, to 4NF. books(accessionno, isbn, title,…

A: In the normalization process.

Q: the following ER diagram into a relational database schema. dID CID Director Cinema fullIName…

A: The Answer is

Q: A) The following relations kind a part of a on-line database (the relations area unit self-…

A: The physical ER(Entity-Relationship) diagram is it is physically connected with the database schemas…

Q: Which data model has the highest level of abstraction? O a. Relational O b. Object-oriented O c.…

A: In this answer I will be discussing about the data model has the highest level abstraction.

Q: Ider the following ER mödel, A) describe the database entities, attributes, relationships and other…

A:

Q: For the relational algebra queries, you can cut and paste the following as needed into your answer:…

A: Find the departure airport (from) and arrival airport (to) of flights that are able to be flown by…

Q: Consider the following Database Schema. CUSTOMER PK CUR CODE INVOICE LINE PK IY HUMBER contains…

A: we need to Write a SQL query to list the product code, vendor code, and vendor name for all products…

Q: Consider the database schema below. Fruit (ID: integer. Name: String (unique)) Vitamin (FruitID:…

A: Here for the relation Vitamin, primary key is (FruitID, VitaminName) It means for any row, if values…

Q: Which of the following is an example of an Entity instance? a. Ali, Mohammed, Khalid b. Stud_ID,…

A: Correct Answer is Option A- Ali, Mohammed, Khalid

Q: Use MYSQL workbench to transform the following E-R data model into a relational database design:…

A: Here we were given with E - R data model and to convert it into relational database design there are…

Q: q1) normalize the following database Payment Payment_id Member_id Payment_date Amount Payment_time…

A: Given data base contains 9 entities and each entity contain many attributes. In the overall table,…

Q: 1. The table shows a class list for the XYZ UNIVERSITY, convert this user view to a set of 3NF…

A: Convert the user view to 3NF relations:   The class list of XYZ UNIVERSITY for First semester is…

Q: Which of the following symbols represents a many-to-many relationship in an E-R model?a. a straight…

A: For the given question, there are four options available. Let us understand them well through…

Q: 2):-When a table has no suitable _ key, the database designer speciiesa(n)__ a) primary, foreign…

A: The given questions are related to desingng the data base as logical model (ER model) as wella s…

Q: the following relational schema of a database library (primary keys are underlined and foreign keys…

A: The SQL query of the given scenario can be written as: Select bookNumber, bookTitle From Book Inner…

Q: Consider the following database in Prolog: birthday(tom). birthday(fred). birthday(helen),…

A: Here I explained Prolog code with proper output. I hope you like it. Use Swish Online Prolog…

Q: Question 2: Relational Model / Relational Algebra Consider the following schema, Sailors(sid:…

A: Given : Consider the following schema,   Sailors(sid: integer, sname: string, rating: integer, age:…

Q: QUESTION 2 Consider the database schema below. Fruit (ID: integer, Name: String (unique)) Vitamin…

A: Two Fruits can't have same name even the Fruit ID is different. Because, Name field is having UNIQUE…

Q: 3: Come Q3 Normalize the following table, given 1NF, 2NF and BCNF: Title Author1 Author2 ISBN…

A: Given table contain 2 rows and it contain multivalued attributes. So, this table is not in 1 NF. 1…

Q: Q1. ER Model . Create an ER Model for the following: A customer (eg. Tom) may (or may not) give…

A:

Q: Map the ER diagram to its correspond relational model, identify the relationship and map the…

A: As per the guidelines we are supposed to answer only one question. Kindly repost the other question…

Q: DATABASE SYSTEM A relation R is given which is R(A,B,C,D,E). It has the following functional…

A: BC  -> ADE , D -> B primary key is (BC) because: Closure of (BC)+ = {A, B, C, D, E} here, the…

Q: 31. A primary key combined with a foreign key creates: A. Parent-child relationship between the…

A:

Q: a Normalıze the following UNF relation to INF, 2NF, 3NF, show primary key and foreign keys in all…

A: Primary key for the given relation is  {CustNo, ProdCode} The functional dependency possible on…