This free online course will teach new users about the architecture, database schema, and operators used in SQL queries.

SQL stands for "Structured Query Language," and its primary function is accessing and manipulating databases. It is used to design the backend of websites, store information, and make queries that return data from a database. This free online course highlights the entity-relationship model used for database design. Study the main components of database architecture and how to install SQL on your local machine.

Additionally, we highlight the benefits of connecting your SQL application with a scripting language and relational database management system. Next, you'll learn how to modify the schema of a database. We will review data definition language, data manipulation language, and the MySQL version of SQL. Learn how to install the XAMPP SQL server on your computer to start your SQL learning journey.

Furthermore, we demonstrate the SELECT statement and the BETWEEN clause before moving on to intermediate SQL. The subject areas of intermediate SQL will consider how to use the MIN, MAX, COUNT, AVG, and SUM operators in your query. Moreover, you will learn to use advanced operators, including IN, LIKE, and BETWEEN, in the WHERE clause of a database. This course will teach you the technical skills to develop database applications with multiple functionalities. Start learning today!