final exam topic create a database to manage a game center

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<b>VIETNAM NATIONAL UNIVERSITY </b>

<b>UNIVERSITY OF SOCIAL SCIENCES AND HUMANITIES </b>

<b>FINAL EXAM </b>

<b>TOPIC: CREATE A DATABASE TO MANAGE A GAME CENTER </b>

<b>Lecturer: TS. NGUYEN HOANG LONG Student: Nguyen Thi Kim Ly</b>

<b>Student code: 20032748 </b>

<b> Class: K65 Information Management Email: </b>

<b>Hanoi – 2023 </b>

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<b>VIETNAM NATIONAL UNIVERSITY </b>

<b>UNIVERSITY OF SOCIAL SCIENCES AND HUMANITIES </b>

<b>FINAL EXAM </b>

<b>TOPIC: CREATE A DATABASE TO MANAGE A GAME CENTER </b>

<b>Lecturer: TS. NGUYEN HOANG LONG Student: Nguyen Thi Kim Ly</b>

<b>Student code: 20032748 </b>

<b> Class: K65 Information Management Email: </b>

<b>Hanoi – 2023 </b>

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<b>PROBLEM: ... 4 </b>

Step 1: Analyze requirements ... 4

Step 2: ERD relational model ... 7

Step 3: Design the logic diagram ... 7

Step 4: Create Table/ Insert data/ Queries ... 10

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<b>PROBLEM: </b>

A game center has 6 different game areas, including areas, each game area is cared for and managed by a staff member.

Each staff is responsible for selling game cards and checking customer cards.

Customers need a card to enter the game area.

Promotion of 50% off card price for customers who are students. Card prices are only reduced when customers bring a valid student card when purchasing the card.

Many game cards can have the same bill. One game card can be played in all 6 areas.

The game areas are open from 9.am to 6.pm every day of the week, with no limit on how long a customer can play during the day and no limit on the number of cards a customer can purchase in the event of a customer lost card.

Each game card can be used for a period of 3 months from the date of purchase.

After 3 months from the date of card purchase, customers need to go to the gaming area to get another card and must pay a fee to get the card.

<b>Step 1: Analyze requirements </b>

• Gaming_area: gaming_area_id, gaming_area_name, start_time, end_time

• Staff: staff_id, staff_name, phone_number, gaming_area_id • Customer: customer_id, customer_name, phone_number,

student_card_id staff_, id

• Game_card: game_card_id , expiration_date, price, staff_id, customer_id

• Bill: bill_id, customer_id, game_card_id, is_apply_voucher, total_price • Each staff will belong to one gaming area.

• Staffs will sell many game cards to many different customers.

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• A customer can purchase game cards multiple times. • One game card can be used in all 6 game areas in the center.

<b>Request </b> v The center has 6 game areas. v An area maintained by 1 staff v Staff is responsible for selling

game cards to customers and give a bill for customer (include check valid student_card_id if customer request a voucher for game card).

<b>What types of events should the </b>

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<b>Request </b> v One game card can be played in 6 areas

v A customer can buy game cards multiple times (lose card). v Customer receive bill when buy

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<b>Step 2: ERD relational model </b>

<b>Step 3: Design the logic diagram </b>

<b>Gaming_area </b>

<b>Field name Data types Constraints Description </b>

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<b>Staff </b>

<b>Field name Data types Constraints Description </b>

(225)

Not null The name of staff

Phone_number VARCHAR (20) Unique The phone number of staff

<b>Customer </b>

<b>Field name Data types Constraints Description </b>

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<b>Game_card </b>

<b>Field name Data type Constraints Description </b>

Experition_date DATE Not Null,

<b>Bill </b>

<b>Field name Data type Constraints Description </b>

Is_apply_voucher BOOLEAN Check Indicates if a bill

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<b>Step 4: Create Table/ Insert data/ Queries </b>

• Create Table

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• Insert Data

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• Queries

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