SQL as a declarative language
Now that you know what a relational database is and have an idea about how it works, it is much easier
to understand how SQL fits in the whole picture. SQL is the programming language you need
to execute commands that let you create and manipulate a relational database.
We will not delve into strict and detailed technical definitions to explain how it works.
What you need to know is there are a few types of programming out there - procedural (imperative), object-oriented, declarative, and functional. Although with some procedural elements, SQL is mainly regarded as a declarative programming language, it is non procedural.
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