How to normalise this realtion From 1NF to 3NF Employee( em_id,name, school_No, Name, Phone, Position, wage) school_no foreign key School_no—>transitive the address from school to employee , teacher,student   School (school_No,Address, size) Class(ClassID, Class_name, class_ Descrpt, teacher_id) teacher_id foreign key   Student (student_id, Name, DOB, Phone , school_No) school_no foreign key    Teach(teacher_id, student_id) both foreign key   Take(classID, student_id) both foreign key    Payment (PaymentID, paymentDate,Amount, student_id) student_id foreign key    Teacher(emp_id ,certificate , subject, school_No) emp_id foreign key school_No foreign key

Q: age gender customer ID Customers first_name name zip code last_name makes total transaction_date…

A: 1. Customers Relation (i) Name of the relation: Customers (ii) Names of its…

Q: Suppose you have the following table: Sample Value 211343 Stephanos Accounting АССT Accounting 4356…

A: Fоr  а  tаble  tо  be  in  the  First  Nоrmаl  Fоrm,  it  shоuld  fоllоw  the  fоllоwing  4  rules:…

Q: Computer science

A: From the above queries, we have to select one that belongs to the question.We have given 2 tables…

Q: Data Structures & Adv Progmng: Explain (using your own words and show an example) why is 1 to 1…

A: Here's a concise summary:1-to-1 direct address mapping is inefficient for large key spaces (e.g.,…

Q: QUESTION 1 The NAN Book Rental Shop is seeking to implement a database system for its shop. The shop…

A: I have attached sceenshot of the ER diagram

Q: Based on the properties of a relation, explain why the following is not an example of a relation:…

A: The given table has duplicate rows. Row1 and 2 are duplicated Row 4 and 5 are duplicated

Q: Vendor order (vendor no, order no, vendor name, qty provided, price/unit) is a second normal form…

A: Vendor order data is an essential component of many business processes, and it is important to have…

Q: Name ID School City (0,n) Salary Start Date End Date To Hire (0,n) Teacher Birth Date Student

A: The solution is an given below : Note: since you have posted multiple questions, we will provide the…

Q: Map this ER diagram to a Relational Model and normalize it if needed.

A:

Q: Convert ERD to relations and show functional dependency of all relations

A: First, convert the given Entity-Relationship Diagram (ERD) to relations, then do each relation's…

Q: To map these ER diagrams on DB structures, introduce table diagrams. Explain the reason for FK…

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

Q: Name the two themes in the list in Figure 1-30.

A: According to the information given. we have to find out the two themes in the table.

Q: Write an SQL query to show which books (title only) have multiple authors.

A: We can do this with the help of a sub query that will be used to return only those isbn that have…

Q: Consider the following relations: BOOKS(Book#, Primary_author, Topic, Total_stock, $price)…

A: Actually,  database is a used to stores the data\information.

Q: You are given the following schema of a University, where primary keys of each table are underlined…

A: A formal mathematical query language called relational algebra is used to operate on relational…

Q: Consider the following typed relational schema describing books and borrowers in a library:…

A: A query is command that requests a set of data from the database. SQL is a structured type query…

Q: Air Travel Agents (ATA) wants a database to keep information about its many offices and the people…

A: Refer the example for Enhanced Entity Relationship (ERR) which would involves several entities:

Q: model

A: Relation schema is used to visualize the design and structure of the relation like it consists of…

Q: Which one is correct When transform the following ER diagram into a relational schema name manager…

A: employee is the relation and the remaining will be the attributes and relationship

Q: Consider the following relations: Employee(E_id: integer, E_name: string, Age: integer, Salary:…

A: Referential integrity constraints are rules that ensure that the references from one table to…

Q: How to normalise this realtion From 1NF to 3NF Employee( em_id,name, school_No, Name, Phone,…

A: Normalization is a process of dividing the large table into small and meaningful tables. Mainly…

Q: Vendor order (vendor no, order no, vendor name, qty provided, price/unit) is a second normal form…

A: Vendor order data is an essential component of many business processes, and it is important to have…

Q: Leslie’s Auto Sales has a relational database with which it maintains data on its salespersons, its…

A: Introduction: An ER diagram (Entity-Relationship diagram) is a graphical representation of entities…

Q: Convert the following ER Model to Relation   Model

A: Objective: We need to convert the given E-R diagram into its corresponding relational diagram. A…

Q: Show the relationships between entities and use table bridges between entities if necessary.

A: The relationships between entities:

Q: Can we have identifying relation between two strong entities in this digram in the attached picture.…

A: First we explain about strong entity: Strong entity means which have primary key (under line) that…

Q: Determine the average salary of the employees who do not live in Greensboro. Rename the average…

A: We have to Determine the average salary of the employees who do not live in Greensboro.Rename the…

Q: Title Pub Year Author Name ............ Book id M Book written-by Book Authors Branch id N M…

A: The following is just how the ER diagram is mapped to the relational schema:- Step-1:- Mappings of…

Q: hand draw an entity-relationship diagram to visually represent a database design this an example,…

A: Given: hand draw an entity-relationship diagram to visually represent a database design

Q: Relational Model EMPLOYEE Fname Minit Lname Ssn Bdate Address DEPARTMENT Dnamc Dnumbor Mgr_son…

A: What Is ER Diagram:ER, suggests the relationship between one entity to every other entity, and the…

Q: LECTURER # employee id * TC ld * title * first name work in last name * phone o email DEPARTMENT…

A: According to the question Here we have 3 relationships between Department and Lecturer.  The 1st…

Q: 5. Database design often involves decisions about the storage of attributes. For example a Telephone…

A: Database design is a crucial aspect of information management, software development, and data-driven…

Q: You are given the following schema of a University, where primary keys of each table are underlined…

A: In the framework of a university database schema, the question focuses on creating database queries…

Q: Which one is correct

A: In this answer I will be discussing about the above given ER diagram. ER diagram is also known as…

Q: Consider applications “Q1”, “Q2”, “Q3”, and “Q4” as shown. These applications work on the table…

A: Answer  in figure : we find all the answer in figures. Figure 1)

Q: convert to ER  with show relationships

A: below are the entities in ERD EMPLOYEE DEPARTMENT DEPT_LOCATIONS  PROJECT DEPENDENT WORKS_ON

Q: Based on the EER Diagram given, perform the process of normalization from UNF until 3NF. Item Member…

A: Answer: I have explained in brief.

Q: Computer Science I need help creating an ERD and DFD for a sample medical office. I stărted making…

A: Answer : ERD of above sample is :

Q: Consider the following typed relational schema describing books and borrowers in a library:…

A: Please upvote. I am providing you the correct answer below. please please please.     So basically,…

Q: 1. Create an entity named Employee and Dependent and create a one-to-many mapping using JPA.…

A: Create an entity Employee and Dependent and create a one-to-many mapping using JPA.

Q: 47. Answer items a, b, and c below based on the following relation and dependencies.…

A: a. and b. The candidate key of the relation T_Participation is (StudentID,Activity ID) however…

Q: 1 من 1 Lnuiiples on Normalization FD1 FD2 S_name S_addres S_major C id C_title I_name location Grade…

A: Question given - A table schema is given, normalize this into 3NF.   Solution - Normalization into…

Q: Covert the ER diagram into relational schema.

A: Given ER diagram contains 5 entities that are Doctor, Patient, Test, Room and Guardian. Each entity…

Q: Suppose a single relation (table) is used to record the information about students’ enrollment in…

A: Actually, given question regarding normalization.