Free Udemy SQL courses for beginners

SQLCourses for Beginners https://www.udemy.com/course/introduction-to-databases-and-sql-querying/ https://www.udemy.com/course/advanced-tsql-querying-using-sql-2014/ oracle SQL: https://www.udemy.com/course/introduction-to-oracle-sql/ MySQL : https://www.udemy.com/course/learn-sqlmysql-database-basics-for-free/ SQL 101: Beginners guide: https://www.udemy.com/course/sql-101-a-beginners-guide-to-sql/ PostgreSQL Tutorials for Beginners https://www.udemy.com/course/postgresql-beginner-class/