So what does a database do with a query? How do you avoid the N+1 problem, SQL injection, or just poor database performance? If you are new to programming and want to learn how to efficiently learn how to use a database then you need to be in this session, You will understand how a database server processes a query, why you need to think in sets, why the common problems occur, how to filter user data, and get a very good overview of writing efficient database queries. This tutorial is designed to get novice developers started on the right path to working with a relational database.


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