food delivery app database design

Frozen Foods Ordering System Database Design

Frozen foods ordering system database design is a database used for business. The main purpose of this database project is to make the ordering transaction fast with accuracy, to keep and secure the order records, to avoid delay of pick- up of the ordered products and most especially, is to promote the products. The following are the company's goal in reaching the best service they can give to their valued customers. A direct customer is a customer that will call the company directly and place an order. This type of client is usually an independent person, who orders small amounts and are unlikely to receive a discount on their purchases. All profits on a sale made to direct customers, goes directly to the company, without dividing or sharing profits or paying commissions. A wholesale customer is very similar to a direct customer. They also buy directly from the company but will buy meals in bulk and receive a discount on their purchases.

Frozen Foods Ordering System Database Design Features:

Products (Add, View, Update)
Orders (Confirm, Cancel)
Manage Users (Add, List, Update)
Customer Profile
Product Purchases by Supplier
Purchase Orders
Employees profile
Customer (direct customer, wholesale customer)

Entity Relationship Diagram of Frozen Foods Ordering System

In relational databases, all the required data is collected and divided into selected tables. This is to ensure that the data is stored in an organized manner, which will make it easier to track through records in the database. This eliminates the problems often encountered when all the information is written in a single line or record, or when all information is saved in a certain sheet, for example, an Excel spreadsheet. After all the tables with their different information categories within the tables have been designed and populated within the tables, the tables are linked via relationships. The relationships are established by a decided table primary key, which is present in the specific table, as well as present in another table, as a foreign key. The relationship between two tables is illustrated by a line joining two or more of these tables. At the end of a joining line, the manner in which the two tables have been joined is also indicated. This is visible in the diagram below and these manners include, one-to-one -, one-to-many – and many to many relationships.

Diagram of Ordering System

Frozen Foods Ordering System Database Design

This form of data modeling was used to set the system requirements for the database that were determined throughout the project. The ERD assisted the project team with the design of the IS and was used as a plan throughout the construction thereof. It served as a map which could be followed and was often referred to.

Data Dictionaries

Table 1: tblcustomers

Field Name	Description	Type	Length
ID	Customer ID number	Int	11
Customer_id	Number of Customers	varchar	90
First_Name	FirstName of Customer	varchar	90
Last Name	LastName of Customer	varchar	90
City_address	Customer City Address	varchar	90
Address	Customer Full address	varchar	90
Age	Age of Customer	int	2
Phone number	Contact number 0f Customer	varchar	11
Zipcode	Customer city address zipcode	varchar	11

Table 2: tblemployee

Field Name	Description	Type	Length
Employee_id	Employee ID number	Int	7
First_Name	Employee Firstname	varchar	50
Middle Name	Employee Middle Name	varchar	50
Last Name	Employee Last Name	varchar	50
Age	Age of Employee	int	2
Address	Address of Employee	varchar	50
Contact_number	Contact Number of employee	varchar	11
Email_Address	Email Address of employee	varchar	50

Table 3: tblorder

Field Name	Description	Type	Length
Order_Id	Order ID number	Int	7
Products_id	Products ID number	int	7
Date_order	Date ordered of customer	varchar	30
Quantity	Customer suggested products	Int	1
Price	Price of the products	int	11
Date Claim	Claim date of customer	varchar	30
Order Type	Pick- up or cash on delivery	Date	30
Status	Available or not available	Date	30
Order_Number	Order number of products	varchar	50
Customer_Id	Customer ID number	int	7

Table 4: tblpayments

Field Name	Description	Type	Length
Payment_Id	Payment ID number	Int	7
Order_Number	Order number of products	varchar	30
Customer_Id	Customer Id number	Int	7
Date_Order	Date ordered of customer	Varchar	30
Claim_date	Claim date of customer	Int	11
Payment_Method	Payment method of customer	Varchar	30
Qty	Customer suggested products	Int	1
Price	Price of the products	int	11

Table 5: tblproducts

Field Name	Description	Type	Length
Products_Id	Products ID number	Int	7
Products_Name	Name of the Products	varchar	90
Product_Type	Types of Products	varchar	90
Description	Products description	Varchar	90
Quantity	Quantity of products	Varchar	1
On_Hand	Available or not available	Date	1
Price	Price of the products	Varchar	11

Table 6: tblsupplier

Field Name	Description	Type	Length
Supplier_Id	Supplier ID number	Int	7
Supplier_Name	Name of Supplier	varchar	50
Supplier_Address	Address of supplier	text
Contact_number	Contact number of suppplier	Varchar	11
Email_Address	Email address of supplier	Varchar	50

Table 7: tbl transactions

Field Name	Description	Type	Length
Transaction_Id	transaction ID number	Int	11
Customer_Id	Customer id number	int	7
Employee_Id	Employees id number	int	7
Order_Id	Order id number	int	7
Products_Id	Products id number	int	7
Supplier_id	Supplier id number	int	7

Table Keys

Table Name	Fieldname	Key Type
tblemployee	Employee_Id	PK
tbltransaction	Transaction_Id	PK
tblcustomers	Customer_Id	PK
tblorders	Order_Id	PK
tblproducts	Products_Id	PK
tblsupplier	Supplier_Id	PK

Table Keys

Table Name	Fieldname	Key Type
tblemployee	Employee_Id
tbltransaction	Transaction_Id
tblcustomers	Customer_Id	FK
tblorders	Order_Id	FK
tblproducts	Products_Id
tblsupplier	Supplier_Id

This Frozen food ordering system Database design is created by

ADONES E. EVANGELISTA

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