Developing SQL Databases is a 4-week, self-paced, free online course that teaches you how to design and build a SQL database.

Microsoft offers numerous courses to introduce you to SQL. Learn how to design and evaluate schema structures for optimal database operation.

Beyond simply introducing yourself to the SQL language and understanding basic database concepts, it’s important to learn about efficient relational database design, the concept of data independence, data normalization and the role of the RDBMS in the application stack.įind courses on edX that take you through the fundamentals of relational database application development including the analysis of requirements, design and implementation. Learning about relational databases is essential for jobs in data analytics, data management, big data, web application development and much more. The programming language used in conjunction with relational databases is called Structured Query Language (SQL) and the database management system is called a relational database management system (RDBMS). The relational database type was created in 1970 by Edgar Codd at IBM’s San Jose Research Lab and it is the most popular type of database in use today.

Data from different tables can be associated via a second unique identifier such as a customer or account number. Data is located in tables with columns and rows and each row has a unique identifier that allows data in the row to be quickly accessed and modified. A relational database uses tables to organize data.

Simple free relational database