What is Composite Key? | SQL Interview Question Explained
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What is Composite Key? | SQL Interview Question Explained
What is a composite key? Learn the concept of a Composite Key in SQL with a simple, real-world example in this beginner-friendly video. A Composite Key is created by combining two or more columns to uniquely identify each row in a table when a single column is not enough. In this video, you'll learn: * What is a Composite Key in SQL? * Why do ...
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