Course Description
How is data stored in applications and websites? In this lecture, you will learn the fundamentals of Database Design and why databases are necessary instead of traditional spreadsheets like Excel. We will start by understanding the difference between tables and relationships and how to organize data efficiently.
You will learn how to design a database schema that ensures easy searching, high performance, and minimal errors. We will also discuss the importance of data types, such as numbers, text, and dates, and how to choose the right type for each field in a table.
By the end of this lecture, you will be introduced to SQL as a key tool for managing data, allowing you to add, modify, and delete data in an organized and secure manner.
What you'll learn
After completing this course, the learner will be able to:
• Identify the difference between spreadsheets and relational databases.
• Organize data using tables and relationships.
• Select the appropriate data types such as Integer, Text, Date to ensure data accuracy.
• Create and design a database schema that reflects data relationships.
• Evaluate best practices for data storage to ensure fast retrieval and efficiency.
• Enhance database performance through indexes and relationships.
• Execute SQL queries to retrieve and manage data effectively.
• Analyze how to insert, update, and delete data correctly and securely.
Requirements
No prerequisites required.