SQL Fundamentals

SQL Fundamentals Column Constraints Exercise

This course has been updated! We now recommend you take the Complete Intro to SQL & PostgreSQL course.

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The "Column Constraints Exercise" Lesson is part of the full, SQL Fundamentals course featured in this preview video. Here's what you'd learn in this lesson:

In this exercise, students create a new table for payment transactions on orders and design appropriate column constraints to ensure only valid, paid orders.

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