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Simple online bookstore database design
1 answer
2024-09-23 00:15
The database design of the online bookstore should include the following components: 1. Item Information Table (Item) -Store the basic information of the item such as title, author, price, description, classification, etc. 2. Order Information Table ( Order) -Store the order information of the customer, including the order number, customer name, order status, order items, etc. 3. Stock-Storage of stock information, including item number, stock quantity, purchase date, supplier, etc. 4. Order Management-used to record all orders created, modified, deleted, and the status of the order (completed, in progress, not processed, etc.). 5. Customer Information Form-used to record the basic information of the customer, such as name, email address, telephone number, etc. 6. The payment information table-used to record all payment methods such as credit card, AliPay, Weixin Pay, etc. 7. The supplier information sheet-used to record the basic information of the supplier, such as company name, address, contact information, etc. The following is a simple online bookstore database design example. The product information table, order information table, and inventory information table already include some basic data fields: ``` --Item Information Form (Product) CREATE TABLE Product ( Product_ID INT PRIMARY KEY Product_Name VARCHAR(50) NOT NULL Product_Price DECIMAL(10 2) NOT NULL Product_Description TEXT NOT NULL Product_category VARCHAR(20) NOT NULL FOREIGN KEY (Product_ID) REFERENCES Product(ID) ); --Order Information Form (Order) CREATE TABLE Order ( Order_ID INT PRIMARY KEY Customer_Name VARCHAR(50) NOT NULL Order_Status VARCHAR(20) NOT NULL Order_Product VARCHAR(50) NOT NULL Order_Time TIMESTAMP NOT NULL FOREIGN KEY (Order_ID) REFERENCES Order(ID) ); --Storage Information Form (Stock) CREATE TABLE Stock ( Stock_ID INT PRIMARY KEY _ Arrival_Date Date NOT Empty <strong></strong><strong></strong> FOREIGN KEY (Stock_ID) REFERENCES Stock(ID) ); --Order Management CREATE TABLE Order Management ( Order_ID INT NOT NULL Order_'s status VarCHAR(20) NOT nil Order_'s method VARCHAR(20) NOT nil FOREIGN KEY (Order_ID) REFERENCES Order(ID) ); --Customer Information Form CREATE TABLE Customer ( Customer_ID INT NOT NULL Customer_Name VARCHAR(50) NOT NULL Customer_Email VARCHAR(100) NOT NULL Customer_Phone VARCHAR(20) NOT NULL FOREIGN KEY (Customer_ID) REFERENCES Customer(ID) ); --payment information form (Payment) CREATE TABLE Payment ( Payment_ID INT NOT NULL Payment_Name VARCHAR(50) NOT NULL Payment_Type VARCHAR(20) NOT NULL Payment_Time TIMESTAMP NOT NULL FOREIGN KEY (Payment_ID) REFERENCES Payment(ID) ); ``` In the above design, each table has a unique ID as the primary key to ensure the uniqueness and integrity of the data. At the same time, in order to support multi-currency transactions, the payment information table also included a payment type field to distinguish different payment methods.
Are there any part-time jobs online?
1 answer
2024-09-07 09:41
It was common to do part-time proofreading work on the Internet, especially on some online education platforms. These platforms allow individuals or institutions to set up their own courses and provide online teaching and tutoring services. In this case, students can find part-time proofreading opportunities on the platform to support themselves or others. Some common part-time proofreading platforms include Coursera, edX, Udemy, and so on.
How to cite a story from an online database properly?
1 answer
2024-10-17 14:27
The key to citing a story from an online database is to follow these steps. Identify the citation style, gather all necessary information such as the author, title, publication date, database name, and URL. Pay attention to punctuation and capitalization as per the style rules.
What are the available online cartoon jobs and their requirements?
1 answer
2025-03-28 06:06
There are jobs like cartoon illustrators, animators, and storyboard artists. Requirements often include a strong art background, proficiency in relevant software, and creativity.
js database
1 answer
2025-01-15 01:08
There are many different ways to access and manipulate a database. One of the most common ways was to use the node.js platform. Node.js provides a variety of ways to connect and operate different types of database, such as Mystical, sqlite-based, Access, mongodb-based, and so on. For the Mystical database, you can use the native Mystical driver, Sequelize ORM, or Type ORM to connect and operate. For the sqlite.js database, you can use the sqlite.js library to create, open, query, and modify it in the browser environment. For the Access database, you can use ActivXObject to access and operate. In addition, you can also use the Mongoose library to connect and manipulate the MongoDB database in Node.js. In general, javelin can access and manipulate various types of database through different libraries and framework.
What are some inspiring online jobs success stories?
2 answers
2024-11-11 16:31
One great story is of a guy who does virtual event planning. He started during the pandemic when most events went online. He had a knack for organizing and coordinating. His first few events were small, but he managed them so well that clients started referring him to others. Now he plans large - scale international virtual events.
How can I find good adventure fiction in an online database?
2 answers
2024-12-14 14:39
You can start by using popular online library databases like OverDrive or Libby. They often have a wide selection of adventure fiction. Just search for keywords like 'adventure' and 'fiction' in their search bars.
The database problem--what fields should be used in the documents stored in the database?
1 answer
2024-09-25 09:44
When a document is saved in a database, the document's meta-data information is usually used to identify the document, such as the document title, author, content, time, and so on. This information can be stored through the attributes of the document entity. In Mystical, document entities can be stored using fields such as `document_id`,`title`,`author`,`content`, and `date`. For example, the following is an example table that stores document entities and their attributes: ``` CREATE TABLE document ( document_id INT PRIMARY KEY title VARCHAR(50) NOT NULL author VARCHAR(50) NOT NULL content TEXT NOT NULL date DATE NOT NULL ); ``` In this table,`document_id` is the document's unique identification,`title` is the document's title,`author` is the document's author,`content` is the document's content,`date` is the document's release time. These fields can be used to store the document's meta-data information.
Urgently looking for jobs, attributes, and skill names in online games ~
1 answer
2025-03-22 19:39
The classes, attributes, and skill names in the game depended on the type and style of the game. The following are some common classes, attributes, and skill names: 1 Sword Spirit: Sword Spirit is a role-playing game in which the player plays the role of a sword wielder. The classes of sword spirits could be divided into swordsmen, sword spirits, swordsmen, and assassins. Each class had different attributes and skills. World of Warcraft: World of Warcraft is a massively multiplayer online role-playing game where players can choose different classes, each class has different attributes and skills. For example, warriors usually had strong melee abilities, while mages were good at using magic attacks. StarCraft: StarCraft is a real-time strategy game where players can choose different races and classes. For example, human engineers could build and upgrade buildings while Zerg engineers could attack with energy weapons. Diablo: Diablo is an action role-playing game in which players play as an adventurer in the game to explore the mysterious world and defeat evil monsters. The classes in Diablo could be divided into Paladins, Mages, Hunters, and Thieves. Each class had different attributes and skills. Different games had different classes, attributes, and skill names. Players could choose a class and game mode that suited them according to their preferences and game style.
Can you share some online jobs success stories?
2 answers
2024-11-11 19:03
Sure. One success story is of a freelance graphic designer. He started by taking small gigs on online platforms. With his unique style and consistent effort, he got noticed by a big marketing agency. They hired him for a long - term project. Now he has his own design studio and a team of designers working under him.
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