优化联接性能 Optimize join performance

Azure Databricks 上的 Delta Lake 优化了范围和倾斜联接。Delta Lake on Azure Databricks optimizes range and skew joins. 范围联接优化要求基于查询模式进行优化,倾斜联接可以通过倾斜提示提高效率。Range join optimizations require tuning based on your query patterns and skew joins can be made efficient with skew hints. 请参阅以下文章,了解如何对这些联接优化进行最佳利用:See the following articles to learn how to make best use of these join optimizations: