The SELECT statement in SQL is how you fetch data from your database. In this SQL tutorial we give an introduction on how to write a SELECT query. We will cover the SELECT, FROM, WHERE, ORDER BY, and LIMIT statements with many examples.
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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.