Data is the ocean. In order to catch fish in it, and not drown, you need to learn how to select the necessary data in a particular second. The SQL language helps in this business.
Maxim Belko has been engaged in databases for more than eight years. He is now a developer at thredUP, an American IT company. Previously, he worked in the telecom companies Lifecell and Kyivstar. Maxim said why working with databases is a prerequisite for any business, and spy thrillers with a Pentagon hack are fairy tales.
How to use SQL to scale a business
You have an idea: buy watermelons in Kherson and sell them in Borispol. Continue reading