You are given the following relational schema (keys bolded):
Employee(SSN, Name)
Faculty(SSN)
(Faculty(SSN) references Employee(SSN))
Staff(SSN, ManagerSSN)
(Staff(SSN) references Employee(SSN);
Staff(ManagerSSN) references Staff(SSN))
Student(PersonNo, Name)
Course(CourseNo, Title)
Offering(CourseNo, Semester, InstructorSSN, Credit)
(Offering(CourseNo) references Courses(CourseNo);
Offering(InstructorSSN) references Faculty(SSN))
Enrolls(CourseNo, Semester, PersonNo, Grade)
(Enrolls(CourseNo, Semester) references Offering(CourseNo, Semester);
Enrolls(PersonNo) references Student(PersonNo))
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Decompile the above schema into an E-R schema representing the same information.

You are given the following relational schema (keys bolded): Employee(SSN, Name) Faculty(SSN) (Faculty(SSN) references Employee(SSN)) Staff(SSN,...
Given the following relational database schema: Student = (SSN, Name, Major) Course = ( CourseNumber , CourseTitle, NumberOfUnits, RoomNumber, DayTime), where DayTime is of the form MW 1:0-2:00. Enrollment = (SSN , CourseNumber, Grade) Express the following queries using SQL statements with minimum number of tables and operations. a. List the SSN and Name of every student who has no grade in at least one course. b. List the name of every student who enrolled in at least two courses....
Given the following relational database schema: Student = (SSN, Name, Major) Course = ( CourseNumber , CourseTitle, NumberOfUnits, RoomNumber, DayTime), where DayTime is of the form MW 1:0-2:00. Enrollment = (SSN , CourseNumber, Grade) Express the following queries using AQL statements with minimum number of tables and operations. List the name of every student whose name starts with the letter S and ends with the letter M, and has earned the grade B in at least one course.
The relational schema shown below is part of a student database. The primary and foreign keys are highlighted in bold.Student (studNo, studName, address, mobileNo)Course (courseNo, courseName, creditHour, level) Registration (studNo, courseNo, regDate, semester, session)Project (projNo, projName, courseNo)Assignment (projNo, studNo, startDate, dueDate, hoursSpent)Write SQL queries based on the student database given above: 1. Create tables & constraints for the student database.2. Insert some data into the tables to check that the tables created are correct. No limit on how many rows you want...
Database: Convert E-R diagrams to relational schema and show
• Primary Keys (using underline)
• Foreign Keys (using dotted underline)
• Referential Integrity
Convert the E-R diagrams to relational schema and show: Primary Keys (using underline) Foreign Keys (using dotted underline) . Referential Integrity Your schema should look similar to the example below. CUSTOMER CustName ORDER PROJECT Foect Title EMPLOYEE PROJECT assigecl to Tite BBli EMPLOYEE PROJECT 0 ProectTitle 4 student admitdate D,C gradstudent advisor major mimor class person name...
Create sql queries to find the following
miscrosoft access compatible commands please
9. Courses for which at least three students earned a grade of A, showing the grade and the course code 10. Semesters when the highest number of courses have been scheduled, showing the semester name and the number of sections 11. (Extra) Professors that are not students, and students that are not professors, showing their ID and SSN 12. (Extra) Semesters for which all courses are taught by...
using the University database we have provided you with the creation script using the relational schema of a University as shown below. You should run this script in MySQL Workbench and use this database to extract the necessary information. The script is based on the following relational schema: Subject (subjectCode, departmentName) TeachingStaff (employeeNumber, firstName, surname, departmentName) Instructs (employeeNumber, subjectCode, studentID, position) Student (studentID, studentSurname, studentInitials, gender) TeachingCredentials (employeeNumber, degreecode, uni, awardYear) Enrolment (studentId, degreeCode, year, uni, timeMode, placeMode, completed) Grades...
Consider the below schema of the university database (keys are in bold and underline): Students(stuID: Integer, stuName: String, gender: String, age: Integer, gpa: Float) Departments(deptName: String, numPhDs: Integer) ProfessorWorks(profID: Integer, profName: String, deptName: String) CoursesOffer(cNo: String, cTitle: String, deptName: String) Majors(deptName: String, stuID: Integer, degreeProgram: String; attendYear: String, attendSemester: String) Sections(cNo: String, academicYear: String, semester: String, sectNo: Integer, profID: Integer) Enrolls(stuID: Integer, cNo: String, academicYear: String, semester: String, sectNo: Integer, grade: String) Write the following queries in Relational algebra. Print...
Consider the Schema diagram for a university database
a. Find the IDs of all students who have taken all of the CMPSC
courses. Use the division operation.
b. Do the same operation as in problem a, using only fundamental
operations.
student takes ID course id sec id semester 1er 4112 dept_name tot cred grade advisor section course_id sec id semester year building TOOM_10 time_slof_id course course id title dept name credits department dept name building budget time slot time slot...
Create an ER Diagram showing all entities and relationships that describe the scenario below: You are commissioned to design a database to keep records of a small college. You talked with various key members of this community and obtained the following information: The college keeps information about students and student performance. Every student is known by her/his first name, initials and last name. They are also identified by a unique StudentID provided by the University. Every student also belongs to...