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SQL (Structured Query Language) is a programming language used to manage and manipulate data stored in relational databases. SQL can be used to create and delete databases, tables, and records; to query, update, and modify data; and to perform advanced data analysis tasks.
SQL for intermediate
In this course you will learn the how to calculate meaningful statistics and how to handle data of multiple RDBMS tables.
SQL for beginners
In this course you will learn the basics of SQL for total beginners while coding.