In the figure below, STUDENT relation has a composite primary key contains Stud_ID and Course_ID. This relation is STUDENT Stud ID Name Course ID Units 101 Lennon MSI 250 3.00 101 Lennon MSI 415 3.00 125 Johnson MSI 331 3.00
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- Identify if the following relation is in 1NF: STUDENT(StudentID, FirstName, LastName, (CourseID, CourseName, CourseLocation))Convert the following Relation into INF, 2NF, and 3NF and show the functional dependencies. StudentID StudentName Major CourselD CourseTitle InstructorName InstructorLocation Grade D-Building A-Building C-Building C-Building A-Building D-Building A-Building 111 Kevin CS CS201 Bob Computer Marketing Accounting Accounting Jeff 111 Kevin CS МАЗ3 Jeff 111 Kevin CS АCC234 Sarah 222 Alex BA АСC234 Sarah B. 333 МАЗ33 Marketing Computer Marketing Noor MA 444 CS201 Bob Luay Adam BA A 555 AC МАЗ33 JeffCreate an unnormalized relation using student and class entities.
- The number of tuples in a relation is referred to asWrite relation algebra for following:Student( Enrno, name, courseId, emailId, cellno)Course(courseId, course_nm, duration)i) Add a column city in student table.ii) Find out list of students who have enrolled in “computer” course.iii) List name of all courses with their duration.iv) List name of all students start with “a”.v) List email Id and cell no of all mechanical engineering students.Given the following relation that stores details of student registration: Stu_ID Name Town Province Course RegisteredDate S101 Malak Al Nadabi Al Khuwair Western ITDR2106 02-02-2020 S101 Malak Al Nadabi Al Khuwair Western ITDR1105 14-09-2019 S102 Nadar Al Hashli Daesit Southern ITDR1102 05-02-2020 S102 Nadar Al Hashli Daesit Southern ITDR1101 05-02-2020 S103 Basit Barkat Ruwi Central ITDR1105 06-02-2020 S104 Yeshan Al Khuwair Western ITDR2106 15-09-2019 If the functional dependencies are consistent with the above relation, put TRUE. If they are not, put FALSE. Stu_ID à Name, Town Town à Province Course à RegisteredDate RegisteredDate à Course Stu_ID, Course à RegisteredDate Stu_ID à Course Stu_ID
- The following functional dependencies describe a relation that is in 3NF.Book_ID -> Genre_ID, Genre_TypeGenre_ID -> Genre_Type True or False? Thanks.What is the link between a relation's main key and the functional dependencies among all of its attributes?A relation FarmVisit is defined below with attributes in the table headings. FarmVisit visitorID visitorName date farmID farmName t1 H001 John 1 Feb 2021 A10 Green Field t2 Н005 Ashley 1 Jan 2021 A10 Green Field t3 но05 Ashley 1 Feb 2021 A10 Green Field t4 H005 Ashley 15 Apr 2021 H02 Есо t5 Но06 Ashley 15 Apr 2021 A11 Green Field a) Write down examples of tuples (i.e., tl, t2) to show neither of the following is a functional dependency: (i) visitorID -> date (ii) date -> farmID b) Write down the functional dependency (FDs) using the above data, which can represent all possible data. The FDs should be non-trivial and the determinants of the FDs should contain minimal number of attributes required. c) Using the tuples given, can (visitorID, farmID) be the primary key of FarmVisit? Explain why. d) What the highest normal form by which the FarmVisit relation can be classified? Explain why.
- An attributes in a relation coming from another relation is called: * O foreign key fields attributes O tuples O O OThe properties of the relation object can be used to implement the master-detail functionality which most appropriate for your application. You can delete a master-detail relation by selecting it in the Object Navigator and choosing Navigator => Delete. Discuss the Deletion of Relations in detail.recurrence relation recurrence relationrecurrence relation