1. SQL Tutorial 1
1. Using the tables below write the following queries.
a. Display the contents of the Employee table.
b. Display the name and title of all the employees.
c. Display the name and the title of all the employees who work in
the accounting department.
d. Display the name and the title of all the employees who work in
the accounting department in alphabetical order.
e. Display all the information for everyone in the Employee table
who is a clerk.
f. Display all the information about the employees along with their
department’s ID, name and location. (Hint for this you will need
2 tables).
Employee Table
ID Name DeptID Title
100 Smith 300 Clerk
200 Jones 200 Clerk
300 Martin 100 Clerk
400 Bell 100 Sr. Accountant
Department Table
DeptID Dept Location
100 Accounting Miami
200 Marketing New York
300 Sales Miami
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2. SQL Tutorial 2
Part A
1. Start your simulator and create a database called Student.
2. Create the two following tables in the database.
Student Table
Student ID Family Name Other Name Gender
1 Spade Sam M
2 Wonder Wendy F
3 Long Joan F
4 Chan Charles M
CREATE TABLE Student
(ID CHAR(1) NOT NULL,
FNAME VARCHAR(25) NOT NULL,
ONAME VARCHAR(25) NOT NULL,
GENDER CHAR(1),
PRIMARY KEY (ID));
Results Table
ID Subject Mark
1 Algebra 75
1 Geometry 90
2 Programming 56
3 Geometry 87
3 Algebra 70
3 Programming 42
4 Algebra 72
CREATE TABLE Results
(ID CHAR(1) NOT NULL,
SUBJECT VARCHAR(25) NOT NULL,
MARK INTEGER,
FOREIGN KEY (ID) REFERENCES Student);
3. Insert the data into each table. An example of this follows;
INSERT INTO Student
VALUES(‘1’,’Spade’,’Sam’,’M’),
(‘2’,’ Wonder’,’Wendy’,’F’);
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3. SQL Tutorial 2
Part B
Write the queries for each question.
1. Display all subjects studied by Wendy Wonder.
2. Display the family name and gender of all students with female
students listed first then followed by male student.
3. Display all the marks 75 and above.
4. Display subject name of each subject and the number of students
doing that subject.
5. Display the student’s family name, subject and mark obtained.
6. Display each student’s name and the average mark obtained by that
student.
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4. SQL Tutorial 3
Part A
4. Start your simulator and create a database called Employee.
5. Create the two following tables in the database.
Department Table
Department Code name Mail Number
1 Information Technology 27
2 Sales and Marketing 15
3 Finance 15
4 Biotechnology 3
5 Inventory Management 98
6 Engineering 51
CREATE TABLE DEPARTMENT
(DEPT_CODE CHAR(1) NOT NULL,
DNAME VARCHAR(25) NOT NULL,
MAIL_NO CHAR(2) NOT NULL,
PRIMARY KEY (DEPT_CODE))
Employee Table
Staff Surname, Dept Manager Started DOB
ID Firstname No.
112 Burmiester, Oliver 1 556 19880224 19610729
223 Edan, Peter 1 112 19891001 1962010
334 Guo, Jessica 3 19970101 19720515
445 Walker, Euan 4 667 19901123 19581115
446 Badower, Justin 6 20050123 19900105
447 Knox, Michael 3 19980223 19621130
448 Cain, Andrew 6 19890223 19620515
449 Lewis, Tony 5 19980216 19910525
551 Frigo, John 5 19980223 19700515
553 Norton-Baker, Bob 5 449 20050227 19891111
555 Lenarcic, John 6 449 19910720 19870616
556 Gupta, Parmila 1 19870101 19501201
667 Sykes, Jim 4 19890830 19600323
778 Menegol, Tony 3 19910202 19550918
CREATE TABLE EMPLOYEE
(EMP_ID CHAR(3) NOT NULL,
ENAME VARCHAR(25) NOT NULL,
DEPT CHAR(1) NOT NULL,
MANAGER CHAR(3),
DATE_JOINED DATE,
DOB DATE,
PRIMARY KEY (EMP_ID),
FOREIGN KEY (MANAGER) REFERENCES EMPLOYEE,
FOREIGN KEY (DEPT) REFERENCE DEPARTMENT);
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5. SQL Tutorial 3
6. Insert the data into each table. An example of this follows;
INSERT INTO Department
VALUES(‘1’,’Information Technology’,’27’)
VALUES(‘2’,’ Sales and Marketing’,’15’);
Part B
Write the queries for each question.
1. Who are all the people who work in the number 1 department?
2. What are the names of all employees in department 2?
3. Which employee started work on January 1st, 1997?
4. Show the name of each department and the number of employees in
that department?
5. How many employees are there in the company?
6. List the employees and the names of the departments they work for, in
descending order of date of birth, without actually showing the date of
birth.
7. Who are the recent employees, hired within the last 12 months?
8. How many employees, does each employee manage?
9. How many employees receive mail under each mail numbers?
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