If you plan to pursue IT career, it is very likely that you will have to work with SQL at some point. SQL is short for Structured Query Language and is a programming language used to retrieve, save and delete data from relational databases. If you are making a career in IT, learning SQL is a must. Find out how to learn SQL with our short guide below.
You can learn SQL by taking a training course from one of the software companies producing RDBMS like Oracle or Microsoft Corp. If you pass the exam at the end of the SQL course you will get official SQL certification, which can help you find a better position if you are looking for a job.
Your second choice is to finish a course by independent IT companies offering educational IT courses. Although these SQL courses usually come with a hefty price tag, they might be quite helpful. Some of these companies even offer their own certification programs.
So far we talked about official ways to learn SQL and get certified, but this is not your only option. There are many quality SQL books that can help you get up to speed with the language. If you decide to buy a SQL book and learn by yourself, then do some research online and choose a book that has great reviews.
All the SQL learning options we listed above are paid, however you can learn SQL for free by using one of the many online SQL resources. There are 1’000s of websites offering free online SQL tutorials and some of them even offer discussion forums, where you can get SQL help when you need it.
Different database software makers use different SQL dialects, however the differences are not that significant. MS SQL Server proprietary SQL extension is called T-SQL for example, while Oracle’s is called PL/SQL. Despite the fact that there are many SQL dialects, the important thing is to learn the SQL concepts and you’ll be able to work with any proprietary SQL extension.
Having SQL knowledge will help you in your work and will make you more valuable to your employer. It really doesn’t matter if you had a formal SQL training or you learnt it on your own. And remember when all is said and done, what counts is your SQL knowledge and experience no matter how exactly did you acquire them.