How Do SQL Database Engines Work?
INTRODUCTION SQL (Structured Query Language) is a language used to communicate with relational databases. Wait, what is this relational database that we are talking about? relational database : a collection of data items with pre-defined relationships between them. The objective of SQL is to manage large amounts of data, especially if there’s lots of data being written simultaneously and too many data transactions. The data management begins when the SQL client communicates with a database — and thus comes the ability to create/drop/collect/store data, update or delete that data, extract that data, and manage user permissions to that data. This system is called the relational database management system. SQL itself is a “ spec ” — a generalized language that supports the basics. Its a cool definition, but how SQL works really? There are some steps to understand the process of a SQL work: 1.Where does the data come from? There are different methodologies for col...