Learn SQL - basic terms Vol I. - an intro
Learning SQL takes learning to think in SQL - what are the essentials of SQL programming? Well, if you wanna know, keep reading, shortly you will know!
First of all, SQL stands for Structured Query Language. First of all, what you will see, are tables, where rows are called records, and the columns are called attributes - unlike in the Excel spreadsheets, usually. Thus, here are your the most basic concepts, and there will be more of them upcoming, that will effectively introduce you to the world of SQL queries, and the data science that is built on them. So, what's next, then?
We’re absolute beginners
Clauses - these are the important expressions in the SQL programming language, with them you will be able to build a data set you will need to start work on. To name some examples of the most basic clauses, essential for building your first data sets, these could be WHERE, that when usd with specific logical operators, with which you have dealt with if you encoutered any Boolean operators in a programming langauge, for instance in Java.
That's it for now, see you in the next episode!
See more here: https://academy.vertabelo.com/blog/learning-think-sql/