

2. Consider the following database and answer the questions below SPORT ENROLLMENT STUDENT COURSE ST ST...
Consider the following database and answer the questions below. a) Write the SQL statement the displays the names of the students who have enrolled in the Database Systems course b) Write the SQL statement that displays a list of the students whose names start with 'S' c) Write the SQL statement that displays the Student ID, Student Name, Course ID, and Grade for students that passed at least one course with a grade better than B+ (i.e. A-, A, and...
Suppose that there are three relationships in a database: Student relationship: S(SNO, SNAME, AGE, GENDER, DEPT) Enroll relationship: SC(SNO, CNO, GRADE) Course relationship: C(CNO, CNAME) Here, the abbreviation and their full name correspond as: SNO Student Id number DEPT Student department SNAME Student name CNO Course number AGE Student age GRADE Course grade for certain student GENDER Student gender CNAME Course name Query the following in T-SQL format: Query the id number of the students who at least enrolled C2...
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....
Consider the following relations for course-enrollment database in a university: STUDENT(S-ID,S-Name, Department, Birth-date) COURSE(C-ID, C-Name, Department) ENROLL(S-ID, C-ID, Grade) TEXTBOOK(B-ISBN, B-Title, Publisher, Author) BOOK-ADOPTION(C-ID, B-ISBN) (a) Draw the database relational schema and show the primary keys and referential integrity constraints on the schema. (b) How many superkeys does the relation TEXTBOOK have? List ALL of them. (c) Now assume each COURSE has distinct C-Name. (i) If C-ID is a primary key, what are the candidate keys and the unique keys...
Consider the database schema of college database. Students have a major department and take classes where faculty can be met. Student (cwid int, name, text, age int, majorDept text) Department (name text, chair text) Faculty (name text, deptName text) Enrollment (facName text, studID int) Note that the underlined attributes are primary keys. studID, chair, deptName of Faculty, facName and majorDept of Student are foreign keys to cwid, name of Faculty, name of Department, name of Faculty and also name of...
Question: Consider the following relations for a database that keeps track of student enrollment in courses and the books adopted for each course. 1- Draw an ER diagram of ONLINE COURSE REGISRATION database, that captures all the given below requirements. Specify key attribute(s) of each entity set. For each relationship set, specify structural constraints and participation constraints. a. For each USER, the portal maintains user ID, Name, E-mail. Each user has a unique ID. Name is a Composite attributes with Frame, Midname,...
31. (15 pts) Consider the following relations and relationship: Student (studentID, name, address, gender, major) Course (courselD, title, hour, department) Enrollment (StudentID, courselD, date Write the SQL statements to perf orm the following operations: List all the students' information for those majoring in "Computer Science". (2 pts) List the majors, and the numbers of the students in every major. (2 pts) List the departments, and the total number of hours of the courses offered by every department. (2 pts) List...
1. Consider the following database. Note that it distinguishes between a course and the class of that course in a particular year. Courses can have prerequisites (aka a prereq), which is again a course. Person(UPI, givenname, surname) with key UPI Courses(course, title, program) with key course Classes(classnr, course, year) with key classnr Enrollments(UPI, classnr) Grades(UPI, classnr, grade) Prereqs(course, prereq) Teachers(UPI, classnr) With natural foreign key constraints given by common attribute names. 1. List all UPIs of all teachers who teach...
Someone please answer all of these. I need these badly. The
submission date is knocking at the door.
Experiment 1: SQL data definition and data insertion 46 hours) 1. CREATE TABLE. The database schema consists of the three relations, whose schemas are: S (Spa, Sname. Sgender, Sage, Sdert? // students(SID, name, gender, age, department) SC (Spa, Cne. Grade) //Course(SID, CID, grade) C (One Cname Crno. Ceredit) l/courses (CID, course name, prerequisite courses, credit) 2. DROP TABLE, ALTER TABLE, CREATE INDEX,...
10- Specify the following
queries in SQL on the database schema of Figure 2. a. Retrieve the
names of all senior students majoring in ‘CS’ (Computer Science).
b. Retrieve the names of all courses taught by Professor King in
2004 and 2005. c. For each section taught by Professor King,
retrieve the course number, semester, year, and number of students
who took the section. d. Retrieve the name and transcript of each
senior student (Class =4) majoring in CS. A...