SQL Beginner to Advanced Courses Course 1 - Relational Database and SQL Essentials https://github.com/hiharpin/sql-postgres-course/raw/refs/heads/main/Conant/course-sql-postgres-3.7.zip Course 2 - Database Design https://github.com/hiharpin/sql-postgres-course/raw/refs/heads/main/Conant/course-sql-postgres-3.7.zip Course 3 - Advanced Databases https://github.com/hiharpin/sql-postgres-course/raw/refs/heads/main/Conant/course-sql-postgres-3.7.zip