74. Databricks | Pyspark | Interview Question: Sort-Merge Join (SMJ)

Azure Databricks Learning: Sort Merge Join ========================================== What is sort-merge join in Spark? Sort-merge join is one of the internal joining mechanism used by spark to join multiple dataframes. It is important to understand th internal working mechanism to understand the performance of spark program. This is also one of the widely asked interview question #SortMergeJoin, #SparkSortMerge, #SparkInternalJoin, #BroadcastJoin, #ShuffleHashJoin,#DatabricksSortMergeJoin ,#DatabricksRealtime, #SparkRealTime, #DatabricksInterviewQuestion, #DatabricksInterview, #SparkInterviewQuestion, #SparkInterview, #PysparkInterviewQuestion, #PysparkInterview, #BigdataInterviewQuestion, #BigdataInterviewQuestion, #BigDataInterview, #PysparkPerformanceTuning, #PysparkPerformanceOptimization, #PysparkPerformance, #PysparkOptimization, #PysparkTuning, #DatabricksTutorial, #AzureDatabricks, #Databricks, #Pyspark, #Spark, #AzureDatabricks, #AzureADF, #Databricks, #LearnPyspark, #LearnDataBRicks, #DataBricksTutorial, #azuredatabricks, #notebook, #Databricksforbeginners