TUTORIALS

SQL TUTORIALS

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Structured Query Language (SQL) is the most popular programming language used for querying relational databases and serves as the backend for various forms of data visualization and data manipulation technologies. In the tutorials below, you will learn why SQL is a critical skill for any data professional, how it can be used in conjunction with various data analytics activities, and why it has been used for over 50 years. Let's get started!

Disclaimer
This section is built for those who want to understand how to write queries that manipulate the query environment. This form of SQL is commonly used by Database Administrators (DBAs).

Relational Databases
DDL
DML
DCL