This course teaches the principles of Relational Databases and the SQL language. It is intended for "Analysts". Knowledge of Relational Databases and SQL is one of the most valued technical skills an analyst can have. It will make you a more valued member of any team. This course is suitable for a novice. I start by explaining how Relational Databases relate to your experience in the everyday world. When you have completed the course and exercises you will have created a database containing several related tables, updated the data they contain and written many queries which extract and summarise that data. I teach using a mixture of lectures, demonstrations and exercises. You will learn by seeing, hearing and doing. With each step you build your knowledge using what you have learned already. An on-line course sets you free to work at your own pace and to review and revisit earlier material, even after you have completed the course.