A course for those who need to work with databases. You will master the SQL query language – and with its help you will be able to independently obtain the necessary data, compare and analyze it.

Use popular DBMS
Learn the specifics of working in MySQL, PostgreSQL, MS SQL.

Write queries to databases
Master the basic SQL operators: SELECT, INSERT, UPDATE, DELETE — and you will be able to request, load, update and delete data.

Perform operations on data
Learn to filter, sort, group and combine data from different tables, as well as apply SQL functions.

Prepare data for Excel
Learn to prepare data for pivot tables and graphs in Excel.