Description
Questions regarding database management using MySql
Project
Deadline: Day 4/12/2024 @ 23:59
[Total Marks for this Assignment is 14]
Student Details:
CRN:
Name: ###
Name: ###
Name: ###
Name: ###
ID: ###
ID: ###
ID: ###
ID: ###
Instructions:
• You must submit two separate copies (one Word file and one PDF file) using the Assignment Template on
Blackboard via the allocated folder. These files must not be in compressed format.
• It is your responsibility to check and make sure that you have uploaded both the correct files.
• Zero mark will be given if you try to bypass the SafeAssign (e.g. misspell words, remove spaces between
words, hide characters, use different character sets, convert text into image or languages other than English
or any kind of manipulation).
• Email submission will not be accepted.
• You are advised to make your work clear and well-presented. This includes filling your information on the cover
page.
• You must use this template, failing which will result in zero mark.
• You MUST show all your work, and text must not be converted into an image, unless specified otherwise by
the question.
• Late submission will result in ZERO mark.
• The work should be your own, copying from students or other resources will result in ZERO mark.
• Use Times New Roman font for all your answers.
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Instructions
Pg. 01
Learning
Outcome(3):
Develop a
standard
database using
DBMS.
.
Instructions
Suppose you are a database administrator in a large company, and you have been asked
to create a new database. Create your database scenario and follow the following
instructions.
• You must use MySQL for database creation and manipulation.
• Select ONE database scenario of your choice. Do not select any scenario which
you have studied in the lab/lecture. All your answers should be according to the
selected scenario.
• Support your answer with a detailed explanation and screenshots.
• You should use the same project document to prepare your answer. A word file
and a pdf file should be provided.
• Each group can have a minimum of 2 and a maximum of 4 students
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Project Description
Pg. 02
Learning
Outcome(4):
Analyze
algorithms for
query processing.
Project Description
14 Marks
• Part 1: Database Description and Design
1- Write an introduction about a database of your choice. The database must
include at least five entities. Do not select any database which were studied
in the lab/lecture. (1 Mark)
2- Design an entity-relationship (ER) diagram based on your scenario
requirements. Ensure that cardinalities, relationships, and primary keys are
clearly represented. State any assumptions that may affect the ER diagram.
(2 Marks)
3- Convert the ER diagram to a class diagram. (1 Mark)
• Part 2: Create and Populate Relations
1- Map the ER diagram to a relational model and create the relations in MySQL.
(1 Mark)
2- Enter at least 15 tuples for each relation. Your solution should include the
screenshots of your relations with data. (1 Mark)
• Part 3: Indexes, Queries and Fragmentation
.
1- Write any retrieval query that includes a selection condition. Illustrate how
MySQL internally performed this query (e.g., such as parsing and
optimization) (1 Mark)
2- Create an index for the same column used in the previous selection condition.
(1 Mark)
3- Select any relation (table) from your database and perform vertical
fragmentation on it. Show the table before and after fragmentation.
Additionally, discuss the benefits of using such fragmentation. (1 Mark)
4- Write any retrieval query that includes at least one join condition and one
selection condition. Show the results of the query. (1 Mark)
5- Show the query statistics and execution plan for the above query. (1 Mark)
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Pg. 03
Project Description
• Part 4: Roles, Privileges and Triggers
1- Create 3 roles and assign the following privileges to the roles: (1 Mark)
– Give all privileges to the first role.
– Give “select” and “update” privileges to the second role, which can
further assign the same privileges to others.
– Give only insert privileges to the third role.
2- Create three accounts and assign the above roles to the created accounts (each
account with a different role). (1 Mark)
3- Create SQL trigger that must check condition in a relation. (1 Mark)
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