Summary
In this chapter, we have learned the multi-faceted approach required to optimize performance in Power Query. We have delved into areas such as the effective use of query folding and strategies for navigating the formula firewall. The difference between buffering and streaming operations, along with the careful use of buffer functions and the importance of reducing memory usage in your queries, were important areas of focus.
Key to this chapter is the understanding that the careful management of memory aspects helps improve query performance. By integrating these concepts and approaches, you are now equipped with a comprehensive understanding of the various elements that contribute to the performance optimization of your Power Query operations.
In the following chapter, we will focus on working with extensions. You’ll learn the fundamental concepts required to create a custom connector and what tools are involved in the process.