Yes. You can start learning SQL on Coursera for free in two ways:

1. Preview the first module of many SQL courses at no cost. This includes video lessons, readings, graded assignments, and Coursera Coach (where available).
2. Start a 7-day free trial for Specializations or Coursera Plus. This gives you full access to all course content across eligible programs within the timeframe of your trial.

If you want to keep learning, earn a certificate in SQL, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.‎

To learn SQL, start by selecting a course that matches your current skill level and learning goals. Engage with interactive exercises and projects to practice writing SQL queries. Utilize online resources, such as forums and documentation, to deepen your understanding. Consistent practice is key; try to work on real-world data sets or personal projects to apply what you've learned. Joining study groups or online communities can also provide support and motivation as you progress in your SQL journey.‎

SQL courses typically cover a range of topics essential for understanding and using the language effectively. Key subjects include database design, data types, SQL syntax, query writing, data manipulation, and data retrieval techniques. Advanced courses may explore topics like performance tuning, data warehousing, and integration with programming languages. By covering these areas, SQL courses equip learners with the skills needed to handle various data-related tasks and challenges‎

For training and upskilling employees, courses like the Python, SQL, Tableau for Data Science Professional Certificate and the BI Foundations with SQL, ETL and Data Warehousing Specialization are excellent choices. These programs focus on practical applications of SQL in business intelligence and data analysis, making them suitable for professionals looking to enhance their data skills and contribute to their organization's success.‎