📊 What is Data in SQL? | SQL Data Types Explained | Beginner’s Guide to Databases
Want to understand how SQL stores and manages data in real-world applications?
In this video, we break down the fundamentals of SQL data, including tables, rows, columns, and essential data types used in relational databases.
Whether you're a beginner or preparing for a career in Data Science or Analytics, this guide will help you build a strong foundation.
📌 What You’ll Learn in This Video:
✅ What “Data” means in SQL
✅ Tables, Records (Rows), and Attributes (Columns)
✅ Numeric Data Types – INT, FLOAT, DECIMAL
✅ String Data Types – CHAR, VARCHAR, TEXT
✅ Date & Time Data Types – DATE, DATETIME, TIMESTAMP
✅ NULL Values & Constraints (Primary Keys, Foreign Keys)
✅ Real-World Applications of SQL
🌍 Real-World Applications of SQL
🔹 Business & Finance – Manage transactions and financial records
🔹 E-commerce – Store product details, customer orders & payments
🔹 Healthcare – Secure patient data management
🔹 Social Media – Handle millions of user interactions
SQL powers modern digital infrastructure across industries.
🚀 Build a Career in Data Science & Analytics
The Postgraduate Program in Data Science & Analytics (PGA) is a 6-month career-focused course designed for graduates and professionals with under 3 years of experience.
🎓 Program Highlights:
✔ 100% Job Assurance
✔ 2,000+ Hiring Partners
✔ 300+ Learning Hours
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📚 Recommended Books to Master SQL
📖 SQL for Data Analysis – Cathy Tanimura
📖 SQL in 10 Minutes, Sams Teach Yourself – Ben Forta
📖 The Data Warehouse Toolkit – Ralph Kimball
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