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SQL Data Dig

Table of Content

Introduction

This project is a comprehensive database system designed to handle the storage and retrieval of inventory information for a small to medium-sized business. The database is built using SQL and is designed to efficiently store and manage data on products, suppliers, orders, and customer information.

Features of the system include:

  • Product Management: Store product information such as name, price, quantity, and supplier information.

  • Supplier Management: Store and manage information on suppliers, including contact information and products supplied.

  • Order Management: Keep track of customer orders, including the products ordered and the date of the order.

  • Customer Management: Store and manage customer information, including name, contact information, and order history.

  • Reporting: Generate reports on product and supplier information, order history, and customer information.

Table Structure

The "Inventory" table contains the following columns:

Id: An integer that serves as the primary key for each entry.

orderdate: A date string in the format of "YYYY-MM-DD" that represents the date of the order.

region: A string representing the region the order was made in.

product: A string representing the product that was ordered.

sales: A float representing the total sales amount for the order.

quantity: An integer representing the quantity of the product ordered.

discount: A float representing the discount applied to the order.

profit: A float representing the profit made from the order.

Table Content

The "Inventory" table is populated with a total of 30 entries with different values for each column.

Queries

Advanced SQL SELECT queries to make discoveries about various datasets. Some of the key concepts tackled in this project were;

  • how to analyze grouped and ungrouped data,

  • filter data using the WHERE clause, and

  • aggregating and summarizing data using Postgres clauses.

Further queries can be performed on the "Inventory" table to analyze and extract meaningful information from the data.

Project Recommendation

This project is a great opportunity for anyone looking to learn about database design and SQL. Whether you're a beginner or an experienced database administrator, you will find this project both challenging and rewarding. With a comprehensive design and well-documented code, this project is easy to understand and customize to your needs.