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Learn SQL

Fix Mistakes

Explore how to modify existing data in SQL tables by using the UPDATE command and how to safely delete rows with DELETE. Learn to apply WHERE clauses to target specific records and avoid unintentional bulk deletions.

We'll cover the following...

Time to clean up your table! In this lesson, you’ll learn how to update existing rows and delete them when needed.

Goal

You’ll aim to:

  • Modify data using UPDATE. ...