The UPDATE SQL statement is used to make changes to data in a database. You can make changes to one more columns for multiple rows in a single query. Today we will work an elite database of internationally known spies to practice making UPDATEs and checking our work.
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In this Introduction to SQL Course, you will learn the essential queries needed to work with a relational database: How to create data (INSERT), change existing data (UPDATE), and find data (SELECT and JOINs). You will also learn how to choose a database, install PostgreSQL, speed up queries with indexes, and more.