CCS0021 LABORATORY
TECHNICAL ASSESSMENT 2
NAME: GAFFUD, GLENN MICHAEL R.
SECTION 1-B
PROF: MARIA VICKY SOLOMO
Part 1:
Instructions: Using the diagram below, write the DDL code to create the following entities into tables.
The relationships of the tables should also be written on the code. You can use SQL developer to solve
this. Copy and paste the codes below. Save the SQL scripts as Tech6_fullname. Save this document as
Tech2Document_fullname.
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CODE:
create table TimeCategory
(id_TimeCategory number(11,0) not null primary key,
tc_Name varchar2(50 char),
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tc_Desc varchar2(500 char),
tc_CreatedAt TIMESTAMP WITH TIME ZONE,
tc_UpdatedAt TIMESTAMP WITH TIME ZONE,
tc_Enabled char(3));
Part 2:
Answer the following numbers using the table given. Use SQL developer to solve this.
Save the SQL script as: Tech7_fullname. Make sure you make the questions in the worksheet as
comments.
Then copy your answer and paste your code below each number in this document.
Use the table above to answer the following by writing the SQL code. Do this code in sequential
order. Each number is related to the previous number.
1. Create the table above. Job_id is the primary key.
2. Add a new column on the table named job_category that accepts a string and it can be
null.
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3. Using the new table, insert a new row on the Jobs table. Use the following data: Job_id:
ST_Assist, Job_title: Stock Aid, Min_Salary: 5000, Max_salary: 13000, job_category:
M_Operator.
4. Show the all the jobid, the sum of the salaries of the employees and the average of the
salaries of the employees that has an job id that ends with “ASST”. Group it by their
job_id. Show only the sum of the salary that are less than 5000. Then arrange it by
job_id. (Then draw the table of the result)
CODE:
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Part 3:
Write a correct SQL statement for each problem and show the result of the statement. Use the tables below. You
may use SQL developer to help you with answering the questions. Copy and past the source code and the result
after each question.
Student
Student
StudentId
StudName
Age
A
Mark
18
B
Matthew
17
C
Ruth
20
D
John
15
E
Sally
18
F
James
17
Enrollment
EnrollmentId
E100
E101
E102
E103
E104
E105
EnrollmentDate
Oct – 10 - 2015
Oct – 11 - 2015
Nov – 10 - 2015
Dec – 15 – 2015
Feb – 1 – 2015
Mar – 10 – 2015
StudentId
A
B
C
D
E
F
SubjId
1
2
3
1
3
2
Subject
SubjId
SubjDescription
Units
Priceperunit
1
Math
3
400
2
Science
2
500
3
History
1
250
1.) Create an SQL statement that would show the minimum and maximum units of a subject. ( 5 points)
2.) Create an SQL statement that would show the student name, enrollment date and subject description of
the student who is enrolled in Math or Science. ( 5 points)
3.) Create a view, name it as EnrollDates, that would show all the enrollment dates of students who are
enrolled in the subject History. ( 5 points)
4.) Create a view name it as studentDetails, that would should show the student name, enrollment date the
total price per unit and subject description of students who are enrolled on the subject Science or History.(
5 points)
5.) Create a view, name it as BiggestPrice, that will show the subject id and highest total price per unit of all
the subjects. The view should show only the highest total price per unit that are greater than 1000.
CODE:
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;
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TASK 1:
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TASK 2:
TASK 3:
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TASK 4:
TASK 5:
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