From the course: From Excel to SQL (2021)
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What is SQL?
- So before we start to use SQL, let's take a moment and spend some time looking at what SQL actually is. Firstly, SQL is a language and it's a language you can use to talk to databases. It gives you the ability to ask a database questions. Now, SQL has a relatively simple syntax, but don't let that fool you. You have the ability to ask really complex and powerful questions of the database. If you want to create, read, update or delete data within a database, then you want to know how to use SQL. And this combination of create, read, update and delete is commonly known as the CRUD operations. In this course, we'll focus mainly on the read operation. This is all about writing SQL to query the database for the data that you're interested in. So some history about SQL. It's an acronym that stands for structured query language, and it's been around for a long time. In fact, it was created in the 1970s before becoming a…
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