Stop guessing and start structuring! 🚀 In Part 3 of our SQL Masterclass, we are diving deep into the backbone of professional data: Relational Databases and the crucial NUMBER(Precision, scale) data type.
If you’ve ever been confused by why your decimals are rounding incorrectly or how tables actually "talk" to each other, this video is for you. We break down the "Messy vs. Structured" approach so you can build databases like a senior dev.
📍 What You’ll Learn:
Precision vs. Scale: Exactly how to define numeric data without losing accuracy.
Relational Structure: How Users, Orders, and Products connect.
Primary Keys & Foreign Keys: The "glue" that holds your data together.
Schema Design: Moving from "No Structure 😵" to "Structured 🚀".
Don't forget to LIKE and SUBSCRIBE if you're finding this SQL series helpful! 🔔
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