Mastery of SQL is typically divided into three functional areas:
Structured query language (SQL) is a programming language for storing and processing information in a relational database. Amazon Web Services
To provide an informative report, I have interpreted "Изучаем SQL" as "Изучаем SQL" (Russian for "" or " Studying SQL "), likely referencing the popular introductory book or the general process of mastering the language. Report: Introduction to Learning SQL 1. Purpose and Overview
What is SQL? - Structured Query Language (SQL) Explained - AWS
Structured Query Language (SQL) is the global standard for communicating with relational databases. For anyone "learning SQL," the primary goal is to master the ability to stored in structured tables. 2. Core Components of Learning