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 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...
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...
TM-315 DATABASE SYSTEMS
Please help me to draw an ERD and the Relational Schema and
please mark the Primary and Foreign Key .....
Deliverable:
Word document with grade sheet followed by Part 1 ERD and the
Part 2 relational schema.
Part 1: Draw the ERD for the following situation. 8 pts
Be sure to:
Convert all many-to-many relationships to associative
entities.
Make sure each regular entity has an appropriate identifier.
Make sure attribute names are unique within the ERD
Wally...
You have been approached by a University for the design and implementation of a relational database system that will provide information on the courses it offers, the academic departments that run the courses, the academic staff and the enrolled students. The system will be used mainly by the students and the academic staff. The requirement collection and analysis phase of the database design process provided the following data requirements for the University Database system. Using the following requirements answer this...
Read, read and read and then think about that you can create perfectly an enhanced ERD for the following description. with making sure to include all kind of entities, attributes, and correct cardinality in relationships between entities. Never forget foreign keys. You need to build a database for the Good College. The College database administrator needs to keep track of the students that attend the College, the courses offered by the college, and the college employees. College tracks the first...