Talk to MySQL using SQL to find, create, update, and remove the data your application needs.
Queries are how applications interact with MySQL. You can use SQL to retrieve records with SELECT, create data with INSERT, modify existing records with UPDATE, and remove records with DELETE.
Real applications rarely run simple queries only. You will often combine filtering, sorting, grouping, joins, pagination, and aggregation to get exactly the data you need. Learning how SQL queries are executed and structured is one of the most important database skills for backend development.
What you'll walk away knowing
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