Database Optimization and Normalization for Inventory Management
A comprehensive database transformation project focused on optimizing inventory management through normalization and SQL query optimization.
Technologies Used
Key Features
- • Database Normalization
- • Query Optimization
- • Data Integrity
Impact
- • Reduced Redundancy
- • Improved Performance
- • Enhanced Data Quality
Project Overview
I worked on a data science project focused on database transformation and optimization for an online trading store. The goal was to improve inventory management efficiency by normalizing a denormalized database while maintaining data integrity and optimizing SQL queries for better performance.
Key Objectives
- • Normalize the database to Third Normal Form (3NF) to eliminate redundancy and improve data consistency
- • Optimize SQL queries for efficient data retrieval and transaction management
- • Enhance data integrity by ensuring proper relationships between entities
Implementation Details
1. Database Normalization
- • Identified and resolved data anomalies in an unstructured database
- • Structured data into multiple relational tables by eliminating redundant information
- • Applied primary and foreign key constraints to enforce referential integrity
2. SQL Query Optimization
- • Designed and executed complex SQL queries to facilitate efficient inventory tracking
- • Implemented indexes to speed up query performance for large datasets
- • Optimized JOIN operations for seamless reporting and analysis
3. Data Integrity & Management
- • Standardized data to ensure accuracy and consistency across tables
- • Handled NULL values and implemented constraints to prevent inconsistencies
- • Developed custom SQL scripts for streamlined data extraction and reporting
Outcome & Impact
The project resulted in a highly efficient and structured database, reducing redundancy, improving data retrieval times, and ensuring that inventory data was accurately managed. This transformation provided a solid foundation for business intelligence and decision-making.
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