Lab Manual. Database Systems COT-313 & Database Management Systems Lab IT-216

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1 Lab Manual Database Systems COT-313 & Database Management Systems Lab IT-216

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4 Lab Instructions Several practicals / programs? Whether an experiment contains one or several practicals /programs One practical / program Lab Teacher forms groups of the students based on All Students need to perform the practical/program Assign all practicals /programs among all groups Teacher decides whether the completed practicals / programs can be appropriately described using flow chart, algorithm, query statement, etc. Teacher issues necessary instructions to the students for writing practicals / programs accordingly Students write experiments in practical files and get them signed by the lab teacher Students make entries in the list of contents of the practical files and get them signed by the lab teacher Whether practical has been verified and signed by the lab teacher?? If a student has not completed a practical, he/she is expected to complete it at his/her own with the help of his/her fellow students in his/her hostel The student completes the practical file and submits it to the concerned teacher in his/her office or mail box on next working day In case of an experiment containing several practicals, a lab teacher needs to think whether a practical performed by the students in one group needs to be repeated by the other groups in lab on the same day? OR A practical performed by the students in one group needs to be repeated as assignments to be completed by the students of other groups in their hostels? Here, an assignment includes both executing a program on computer and also writing the same in practical file. OR A practical performed by the students in one group needs to be repeated as assignments, only writing practicals in their practical files, for the students of other groups in their hostels? Teacher issues necessary instructions to the students accordingly.

5 COT-313 (Database Systems) IT-216 (Database Management Systems) Lab Practical Experiment No.-01 Installation of MYSQL/ ORACLE (Refer Video Tutorial) Show Video Experiment No.-02 Focus Area: Table Creation & Tuples Insertion Create a relational database schema for below given database, described by the following relations and Insert tuples. a) CAR (Serial_no, Model, Manufacturer, Price) OPTION(Serial_no, Option_name, Price) SALE(Salesperson_id, Serial_no, Date, Sale_price) SALESPERSON(Salesperson_id, Name, Phone) b) SALESPERSON(Ssn, Name, Start_year, Dept_no) TRIP(Ssn, From_city, To_city, Departure_date, Return_date, Trip_id) EXPENSE(Trip_id, Account#, Amount) c) CATALOG(Cno, Ctitle) STUDENTS(Sid, Fname, Lname, Minit) COURSES(Term, Sec_no, Cno, A, B, C, D) ENROLLS(Sid, Term, Sec_no) d) SUPPLIER(Sno, Sname) PART(Pno, Pname) PROJECT(Jno, Jname) SUPPLY(Sno, Pno, Jno) e) EMPLOYEE (Employee_name,Street, city) WORKS (Employee_name, Company_name, Salary) Company (Comapny _name, City) MANAGES (Employee_name, Manager_name)

6 Experiment No.-03 Create a relational database schema for a Minor-Project, described by the following relations and Insert tuples. STUDENT (Rollno, Name, Sem, Degree, Contact no, Guide_No) GUIDE (Guide_name, Guide_No, Guide_reserach_domain, Contat_No, _Id) PROJECT (Project_No, Project_title, Project_Area, Start_dt, dt, Guide_No,) GROUP (Group_Code, Roll_No, ) PROJECT_GROUP (Group_Code, Project_No, no_of_students) Specify the following queries in SQL on the database schema Minor_Project. 1) Change the data type of attribute Rollo (Student Table), from Number (10) to Varchar2 (10). 2) Add a Check constraint on Gender attribute(student Table) such that this attribute accept only ( M, F, m, f ) values. 3) Add a constraint on Degree (Student table), such that no null values be inserted. 4) Find the list of guide, who are guiding more than two student groups. 5) Find the list of project no, project name & name of guide, in domain of DataBase. 6) Update the project start_date with 01 July 2015 for student, who enrolled in 7 th semester. 7) Update guide details of a roll no , new guide is Ram Mohan & id ) Remove the Guide details, guide no is and assign guide no to all respective students project group.

7 Experiment No.-04 Create a relational database schema for a University, described by the following relations and Insert tuples. CLASSROOM (Building, Room Number, capacity) DEPARTMENT (Dept name, building, budget) COURSE (Course id, title, dept name, credits) INSTRUCTER (I_ID, name, dept name, salary) SECTION (Course id, sec id, semester, year, building, room number, time slot id) TEACHES (I_ID, course id, sec id, semester, year) STUDENT (S_ID, name, dept name, tot credit) TAKES (ID, Course_id, sec_id, semester, year, grade) ADVISOR (S_ ID,I_ID) TIME SLOT (Time_slot _id, day, start time, end time) PREREQ (Course_id, Prereq_id) 1) Update, Salary of each instructor, who is working in Department EC. 2) Update the Room no for Course scheduled on from LHC-204 to LHC-102 3) Retrieve the names of all instructors, along with their department names and department building name. 4) Find the names of all instructors in the Computer Science department who have salary greater than $70,000. 5) For all instructors in the university who have taught some course, find their names and the course ID of all courses they taught 6) Find the titles of courses in the Comp. Sci. department that have 3 credits. 7) Find the course name, credits running in semester 4. 8) List the section name, course name whose class are engaged in room no LHC ) Find the pairs of Student ID, Supervisor ID where supervisor is teacher and advisor of the student, also retrieve the name department. 10) Retrieve the list of Rooms where the entire all the classes are scheduled before am. 11) Retrieve the list of room number & time slot where all classes of Computer Sci. Semester 7th are scheduled. 12) Retrieve the Course Name, Course no, Semester, Room no, time slot, taught by Prof ABC.

8 Experiment No.-05 Specify the following queries in SQL on the database University schema (experiment no 04) 1) Find the names of all departments whose building name includes the substring Watson. 2) Find the names of instructors with salary amounts between $90,000 and $100,000. 3) To list in alphabetic order all instructors in the Physics department. 4) Retrieve the list of students, who are born on ) Retrieve the list of courses taught by teacher whose name consist R as fourth word. 6) Find the IDs of all students who were taught by an instructor named Einstein makes sure there are no duplicates in the result. 7) Find the average salary of instructors in the Computer Science department 8) Find the total number of course in University 9) Find the total number of instructors who teach a course in the Spring 2010 semester 10) Find the average salary in each department 11) Find all instructors earning the highest salary (there may be more than one with the same salary). 12) Find the average salary of all instructors 13) Find the number of instructors in each department who teach a course in the Spring 2010 semester.

9 Experiment No.-06 Specify the following queries in SQL on the database University schema (experiment no 04) 1) Find the average salary of instructors in those departments where the average salary is more than $42,000. 2) Find the average salary of all instructors. 3) Find the total number of student enrolled in each of department in university. 4) Find the total number of student enrolled in each of department in university. 5) Find the maximum enrolment, across all sections, in Autumn ) For each course section offered in 2009, find the average total credits (tot cred) of all students enrolled in the section, if the section had at least 2 students. 7) Find the average instructors salaries of those departments where the average salary is greater than $42,000 8) Find the total number of students with each grade. 9) Find the lowest, across all departments, of the per-department maximum salary computed by the preceding query. 10) For each department, find the maximum salary of instructors in that department. You may assume that every department has at least one instructor. 11) Find the total number of student enrolled in each of department in university. 12) Retrieve the total count of student in each department who earned credit more than 8 overall. 13) Retrieve the name of student from Computer Science & EC who earn total credits more than 7. 14) Find the name of classrooms shared by EC dept & Computer Science dept daywise. 15) List the name of Instructor, Course & total no of student in where student more than 20% students earn 9 credits. 16) List the name of faculty, dept of faculty, course name who are teaching a subject of other department.

10 Experiment No.-07 Specify the following queries in SQL on the database University schema (exp. no 04) 1) Retrieve the name department which has amount no of budget; also retrieve the number of classrooms in dept and capacity of classroom. 2) List the name computer science faculties, whose classes are slotted after pm in Computer Science dept. 3) List the name computer science faculties, whose classes are slotted after pm in Computer Science dept and EC dept of 6 th and 8 th Semester. 4) Find the IDs and names of all students who have not taken any course offering before Spring ) Find the names of all students who have taken at least one Comp. Sci. course; make sure there are no duplicate names in the result. 6) Find the names of course on which more than 20 student earned less than credits 5 on 3 rd Year. 7) List the name of instructors who are not teaching any 8 th semester course. 8) List of the all students whose advisor belongs to other department. 9) Retrieve the name of student, subject name taught by an instructor, who is not an adviser to any of the students.

11 Experiment No.-08 Create a relational database schema for a Company, described by the following relations and Insert tuples. Employee (F_name, L_name, Emp_id, Bdate, Address, Gender, Salary, Super_Emp_id, D_no) Department (D_name, D_no, D_Mgr_id, Mgr_start_date ) Dept_Location(D_no, D_location ) Project (P_name, P_number, P_location, D_no ) Works_on (Emp_id, P_no, Hours ) Dependent (Emp_id, Dependent_name, Gender, Bdate, Relationship) Specify the following queries in SQL on the database Company 1) Company decided to give a raise on salaries of every employee, working on the ProductX project by 10 percent. 2) Find the names and address of all employees who work on same department. 3) Retrieve the name & employee no of employees, whose salary is between $30,000 and $40,000. 4) Find the names of all employees who are directly supervised by Franklin 5) List the name and address of all employees who work for the Research department. 6) List the names of employees who works on all project controlled by department number 5. 7) List the names of all employees who have a dependent with the same first name as themselves. 8) Retrieve the names of all employees in department 5 who work more than 10 hours per week on XYZ Project. 9) Retrieve a list of employees and the projects they are working on, ordered by department and, within each department, ordered alphabetically by last name, then first name.

12 Experiment No.-09 Specify the following queries in SQL on the database Company schema (exp. no 08) 1) Retrieve the employee details, whose first name start with AB 2) Retrieve the employee details, whose third character of first name S. 3) Retrieve all employees, whose address is in Houston, Texas. 4) Retrieve the employees, whose supervisor city name start name NEW. 5) Retrieve the project name, whose location pin code consists first 3 digits are ) Retrieve the employee name, Employee id, dept no, project no, whose were born during 1980 and working in a project located at INDIA. 7) Retrieve the total number of Employees in organization. 8) Count the number of distinct salary values in the Company. 9) Retrieve the total number of Supervisor in organization. 10) Retrieve the total no of Female Employee in organization, whose salary is more than ) Retrieve the total number projects currently in company. 12) Find the sum of the salaries of all employees, the maximum salary, the minimum salary, and the average salary. 13) Retrieve the average salary of all female employees. 14) Retrieve the Employee id & no of projects, employee is working on. 15) Retrieve employee id, employee name, total no of hours he works on project

13 Experiment No.-10 Specify the following queries in SQL on the database Company schema (experiment no 08) 1) Retrieve the total no male & female employee in the Organization 2) Retrieve the total no of employee working, for each of the department 3) For each department, retrieve the department name and the average salary of all employees working in that department. 4) For each project, retrieve the project number, the project name and the number of employees who work on that project 5) For each project, list the project name and total no of hours per week (by all employees) spent on the project. 6) Retrieve the Project name & no of employee, in which least number of employees are working. 7) Retrieve the name of department name & department No, number of projects, who are controlling highest no of projects. 8) For each project on which more than two employees work, retrieve the project number, the project name, and the number of employees who work on the project. 9) For each project, retrieve the project number, the project name, and the number of employees from department 1 who work on the project. 10) For each department that has more than five employees, retrieve the department number and the number of its employees who are making more than $40, ) Retrieve the names of the employee who do not have supervisors. 12) Retrieve the names of employees who work on all projects controlled by department No ) Find the names of all employees who earn more than average salary of company. 14) Make a list of project numbers for projects that involve an employee whose last name is Smith, either as a worker or as a manager of the department that controls the project.

14 Experiment No.-11 Specify the following queries in SQL on the database University schema (experiment no 08) 1) Retrieve the names of all employees who work on every project. 2) List the last name of all department managers who have no dependent. 3) List the names of managers who have at least one dependent. 4) Retrieve the names of employees who do not work on any project 5) Retrieve the names of employees who work on all projects. 6) Retrieve the name of department name & department No, number of employees, Number of projects, who is controlling highest no of projects. 7) List the name of each employee who works on some project controlled by department number 5. 8) Retrieve the name of department name & department No, number of employees, Number of projects, who is controlling highest no of projects. 9) A view that has the department name, manager name and manager salary for every department. 10) A view that has the project name, controlling department, number of employees, and total hours worked per week for each project. 11) A view that has the project name, controlling department name, number of employees, total hours per week on the project for each project with more than one employee working on it.

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