Training for a data engineer role doesn't have to be expensive. A curated list of 10 free data engineering courses offers quality education at no cost. Courses cover key areas such as SQL, Python, cloud data engineering, ETL and data pipelines, data warehousing, and Apache Spark. Many courses are provided by edX, and some require prior knowledge in SQL and relational databases. The article encourages that with dedication and persistence, one can achieve their data engineering goals through these free resources.
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