E-Commerce-Database-management-project

As a part of our course, I made this project for Database Management Systems (DBMS). This project contains theoretical as well as implementation in SQL.

Contents

• Project Description

• Basic structure

o	Functional requirements

o	Entity Relation (ER) diagram and constraints

o	Relational database schema

• Implementation

o	Creating tables

o	Inserting data

Pre-requisite

• MySQL

Project Description

The E-Commerce Database Management Project (DBMD) is a comprehensive solution designed to streamline and optimize the operations of an e-commerce business. This project focuses on creating a robust database management system that facilitates efficient handling of various aspects of an online store, from product inventory to customer orders.

Relational Database Schema - e-commerce -ER diagram

ER diagram

Create Schema(database) in MySQL

  create schema e_commerce;

Create Tables

Customer Table

   create table e_commerce.customer (
     customer_id int primary key,
     FirstName varchar(50),
     MiddleName varchar(50),
     LastName varchar(50),
     Email varchar(100),
     DateOfBirth date,
     phone INT(10),
     age int null
   );

Category Table

  create table e_commerce.category (
    category_id int primary key,
    category_name varchar(255),
    Description varchar(255)
);

Seller Table

  create table e_commerce.seller (
    seller_id int primary key,
    seller_name varchar(255),
    seller_phone int(15),
    total_sales float
);

Address Table

  create table e_commerce.address(
    address_id int primary key,
    apart_no int(10),
    apart_name varchar(255),
    streetname varchar(255),
    state varchar(255),
    city varchar(255),
    pincode int(6),
    customer_id int ,
    FOREIGN KEY (customer_id) REFERENCES customer(customer_id) on delete cascade on update no action
);

Product Table

  create table e_commerce.product (
    product_id int primary key,
    product_name varchar(50),
    MRP float,
    stock bool,
    brand varchar(255),
    category_id int,
    seller_id int,
    FOREIGN KEY (category_id) REFERENCES category(category_id) on delete set null on update no action,
    FOREIGN KEY (seller_id) REFERENCES seller(seller_id) on delete set null on update no action
);

Cart Table

    create table e_commerce.cart (
      cart_id int primary key,
      grandtoatl float ,
      itemtotal int,
      customer_id int,
      FOREIGN KEY (customer_id) REFERENCES customer(customer_id) on delete set null on update no action,
      product_id int,
      FOREIGN KEY (product_id) REFERENCES product(product_id) on delete set null on update no action
  );

Review Table

  create table e_commerce.review(
    review_id int primary key,
    description varchar(255),
    rating enum('1','2','3','4','5'),
    customer_id int,
    FOREIGN KEY (customer_id) REFERENCES customer(customer_id) on delete set null on update no action,
    product_id int,
    FOREIGN KEY (product_id) REFERENCES product(product_id) on delete set null on update no action
);

Order Table

    create table e_commerce.order_table(
      order_id int primary key,
      order_date datetime,
      order_amount float,
      order_status enum('delivery','not delivery'),
      shipping_date datetime,
      customer_id int,
      FOREIGN KEY (customer_id) REFERENCES customer(customer_id) on delete set null on update no action,
      cart_id int,
      FOREIGN KEY (cart_id) REFERENCES cart(cart_id) on delete set null on update no action
  );

OrderItem Table

    create table e_commerce.orderitem(
      order_id int,
      product_id int,
      foreign key (order_id) references order_table(order_id) on delete set null on update no action,
      foreign key (product_id) references product(product_id) on delete set null on update no action,
      MRP float,
      quantity int
  );

Payment Table

  create table e_commerce.payment(
    paymentMode enum('online','offline'),
    dateofpayment datetime,
    order_id int,
    foreign key (order_id) references order_table(order_id) on delete set null on update no action,
    customer_id int,
    FOREIGN KEY (customer_id) REFERENCES customer(customer_id) on delete set null on update no action
);	

Insert the data

Customer Table

    insert into e_commerce.customer values (1,'vivek','umesh','wadher','wadhervivek6904@gmail.com','2004-09-06',2147483647,0);
    insert into e_commerce.customer values (2,'devansh','hitesh','makawana','devansh@gmail.com','2004-05-23',2147483647,0);
    insert into e_commerce.customer values (3,'jay','amit','chauhan','jay@gmail.com','2004-05-02',2147483647,0);

Category Table

  insert into e_commerce.category values (1,'Mobiles & Computer','all the brands are there like phone, tablets, PC, Desktop '); 
  insert into e_commerce.category values (2,'TV & Aplliances & Electronics','all the brands are there like tv smart, tv oled, mixer and many more'); 
  insert into e_commerce.category values (3,'Men`s Fashion','all the brands are there like t-Shirts, jeans, shirts,etc'); 
  insert into e_commerce.category values (4,'Women`s Fashion','all the brands are there like shorts,one pic, kurti, t-shirt,jeans,etc');

Seller Table

insert into e_commerce.seller values (1,'prem upadhay','1295874636',12000.75);  
insert into e_commerce.seller values (2,'jay chauhan','7865423565',38000.20);  
insert into e_commerce.seller values (3, 'yash shetty','7465456456',8529.23);

Address Table

insert into e_commerce.address values (1,'108','khodiayr chs ltd','devipada borivali east','maharsahtra','mumbai','400066',1);
insert into e_commerce.address values (2,'214/B','vitthal chs','rattan nagar kandivali east','maharsahtra','mumbai','400801',2);
insert into e_commerce.address values (3,'52','oberoi sky city','thakur complex malad east','maharsahtra','mumbai','400526',3);

Product Table

insert into e_commerce.product values(1,'pen drive',250,52,'hp',2,1);
insert into e_commerce.product values(2,'monitor',25000,30,'dell',1,3);
insert into e_commerce.product values(3,'keyborad',765,69,'lenovo',2,2);
insert into e_commerce.product values(4,'i phone 15',75000,10,'Apple',1,2);
insert into e_commerce.product values(5,'Mens t-shirts',350,22,'H&M',3,1);
insert into e_commerce.product values(6,'mens kurta',766,32,'ZARA',3,3);
insert into e_commerce.product values(7,'women shorts',360,52,'pantaloom',4,2);
insert into e_commerce.product values(8,'women jeans',699,65,'zudio',4,1);
insert into e_commerce.product values(9,'mouse',299,65,'lenovo',2,3);
insert into e_commerce.product values(10,'destop',25000,10,'dell',1,2);

Cart Table

insert into e_commerce.cart values (1,75000,1,1,4); 
insert into e_commerce.cart values (2,1050,3,2,5); 
insert into e_commerce.cart values (3,598,2,3,9); 
insert into e_commerce.cart values (4,2160,6,2,7); 
insert into e_commerce.cart values (5,250,1,1,1); 
insert into e_commerce.cart values (6,3830,6,3,6); 

Order Table

insert into e_commerce.order_table values (1,'2023-12-06 10:12:20',75000,'delivery','2023-12-09 09:25:02',1,1); 
insert into e_commerce.order_table values (2,'2023-12-07 20:23:20',1050,'delivery','2023-12-12 05:29:02',2,2); 
insert into e_commerce.order_table values (3,'2023-12-08 18:12:20',598,'delivery','2023-12-23 09:26:02',3,3); 
insert into e_commerce.order_table values (4,'2023-12-10 15:45:20',2160,'delivery','2023-12-15 11:26:02',2,4); 
insert into e_commerce.order_table values (5,'2023-12-10 15:45:20',250,'delivery','2023-12-15 11:26:02',1,5); 
insert into e_commerce.order_table values (6,'2023-12-21 16:23:20',3830,'delivery','2023-12-29 11:35:09',3,6); ****

Order Item Table

insert into e_commerce.orderitem values (7500,1,1,4);
insert into e_commerce.orderitem values (1050,3,2,5);
insert into e_commerce.orderitem values (299,2,3,9);
insert into e_commerce.orderitem values (360,6,4,7);
insert into e_commerce.orderitem values (250,1,5,1);
insert into e_commerce.orderitem values (766,6,6,6);

Payment Table

insert into e_commerce.payment values ('online','2023-12-06 10:12:56',1,1,1);
insert into e_commerce.payment values ('online','2023-12-07 20:23:20',2,2,2);
insert into e_commerce.payment values ('online','2023-12-08 18:12:20',3,3,3);
insert into e_commerce.payment values ('online','2023-12-10 15:45:20',4,2,4);
insert into e_commerce.payment values ('online','2023-12-10 15:45:20',5,1,5);
insert into e_commerce.payment values ('online','2023-12-21 16:23:20',6,3,6);

Review Table

insert into e_commerce.review values (1,'i phone 15 is amazing.','5',1,4);
insert into e_commerce.review values (2,'wow t-shirts ,good in quality.','3',2,5);
insert into e_commerce.review values (3,'best mouse in the world.','4',3,9);
insert into e_commerce.review values (4,'very comfatabale in size and quality.','4',2,7);
insert into e_commerce.review values (5,'the size is 128mb pendrive, speed is good.','5',1,1);
insert into e_commerce.review values (6,'size of kurta and quality is good','2',3,6);