Specify the degree of this relationship (1:1, 1:M, or M:N): The attributes of employee include ID, Name, Address, and Birth_Date. Employees work on projects. The attributes of project include Project_Code, Description, and Start_Date. Each employee may be assigned to many projects. A project is required to have at least one employee assigned.

Q: display all fields in the JOB table sorted by the largest hourly charges for the job first

A: SELECT * will fetch you all record in table

Q: Display employees (by name and address) from "Chicago" and with an annual salary between 60000…

A: The database management system is a collection of data and information and SQL languages are used…

Q: Create table workson(eid,pid, startdate, duration) duration has to be between 4 to 12 month (4 AND…

A: Add a CHECK Constraint for checking the duration and then a primary key for eid and foreign key for…

Q: Based on the ERD below, display the assignment number, employee number and assigned hours for either…

A: Here we are joining three tables ASSIGNMENT, EMPLOYEE, and JOB and the assigned job is either 501 or…

Q: An organization has many departments through-out the country. Data held on each department is id,…

A: Answer :

Q: A relation cannot have: Multi-values attributes Several super-keys O Composite attributes Attributes…

A: Answer:

Q: def distance_between_entities(entity1, entity2): """ compute the haversine distance between the two…

A: import numpy as np def distance_between_entities(entity1, entity2):    lat1 = entity1[3]    lon1 =…

Q: What variables influence relationships, and how do they function?

A: The various kinds of relationship characteristics will be discussed in this article.

Q: Normalize the following form into UNF 1NF, 2NF and 3NF. Show primary keys and foreign keys for all…

A: We have given a table and we need to normalize the given table into 1NF, 2NF, and 3NF. Then we need…

Q: Question - 4 For each department retrieve the department number, number of employees and their…

A: by bartleby guidelines i am able to do only first question.

Q: Convert all relations to third normal form, if necessary, and draw a revised relational schema.

A: Given: Convert all relations to third normal form, if necessary, and draw a revised relational…

Q: The State of New York certifies firefighters throughout the state and must keep track of all of…

A: Given: The State of New York certifies firefighters throughout the state and must keep track of all…

Q: Hospital Appointment System   Draw Business Flow/Function

A: here we have given the business flow diagram

Q: Task Description: consider the following relations for a university: Student (sid: integer, sname:…

A: Here I have created the tables and then inserted the dummy values into each table. Below is the…

Q: The set of 7 attributes is { desc, drought, price, sci, size, store, The attributes are for plants…

A: To find the key for all attributes for the given dependency.

Q: Department: (DID, Department_Name, City, budget) Works IN: (EID, DID, Annual_Salary, Start_Date)…

A: T1: π(Employee_name, Annual_Salary) (Employee ⨝(Employee.EID = Works_IN.Employee_ID) Works_IN…

Q: need:  entity relationship diagram

A: The answer is

Q: Schema: Part(PartNo, PartName, VehicleType, UnitPrice, SalesPrice) Service(ServiceNo, PartNo,…

A: CREATE OR replace FUNCTION getprofit (    p_part_number IN NUMBER) RETURN NUMBER IS    l_part_name…

Q: Employee: (EID, Name, City, Address) Department: (DID, Department_Name, City, budget) Works IN:…

A: All the above details that are mentioned above in the question we will take to solve the question:…

Q: Please describe the three unique data types, as well as the method through which they were acquired

A: Data acquisition and comprehension are essential for analysis and decision-making in the field of…

Q: write the schema that descibes the following relations: 1- The course relation course id title dept…

A: A Schema can be explained as a structure or the organisation chart of the database in the computer…

Q: What are the different kinds of constraints?

A: Answer:

Q: Course evaluation must have a student, the students relation contains a unique student id, full name…

A: An Entity–relationship model (ER model) describes the structure of a database with the help of a…

Q: What does a Details view entail?

A: Details view shows the clear view of the particular area with having greater clarity. Lets…

Q: Convert the following Conceptual ERD to logical. Ensure that your logical design supports the…

A: The given problem has a set of constraints and then an Entity relationship diagram to show the…

Q: Sign up form/Create an accou/ Create an First name: Last name: First name Email: Last name Unit…

A: Here i show the data flow diagram for the analysis you gave. It has only 3 work.  1. register 2.…

Q: 1- Select all those professors who age in the range 30 to 40 and don't have any rank. 2- List all…

A: SQL (Structured Query Language) is a database query language. According to ANSI, it is the…

Q: Using SQL, develop and execute the following queries:

A: 1.  select sname,sid from student where gpa>2.5 AND gpa<=3.5; 2. select s.sname,c.cname from…

Q: What is the degree of a relationship?

A: The number of entities associated with the relationship is known as the degree of the relationship.

Q: What does a Details view entail?

A: The Details View control is used to show a single record from a data source in a table, with each…

Q: Using the company schema, when creating the "works_on" table, the foreign key should be specified…

A: Foreign key specified The foreign key is used for linking two tables together. It is also known as…