Summary

This chapter started out by creating a foundation: a shared understanding of what an error is, and how errors can be raised, contained, and detected. It explored various aspects of error handling, highlighting the importance of adopting a holistic approach. Beyond reacting to errors alone, it is crucial to proactively incorporate preventive measures into your query design. By employing a combination of these techniques thoughtfully, you can create queries that are more resilient, thus reducing the risk of errors and improving overall data quality.

In the next chapter, we will learn about the major functions and operators that allow iteration and recursion in Power Query M.

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