MySQL Syntax in 20 Minutes | Understanding the Main Components of SQL

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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 nonprocedural.

This means, while coding, you will not be interested in how you want the job done. The focus is on what result you want to obtain. An abstract example would best clarify what we mean here. When using a procedural language, such as C or Java, you must explicitly divide the solution of a certain problem into several steps.

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26 replies on “MySQL Syntax in 20 Minutes | Understanding the Main Components of SQL”

This was so much easier to understand then how my teacher is presenting it at my university. I am sick of paying thousands of dollars only to come to YouTube to get a a real understanding of how to perform task.

I think that SELECT * is about having all the fields of the returned records included in the returned set of data (e.g. a table's records), rather than all the records of the table.
The lack of a filter (e.g. WHERE) is responsible for all the records of that table returned.

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