Spark SQL Joins - Left Semi Join
2022-05-31 sparkspark-sql
This diagram shows Left Semi Join type in Spark SQL. A semi join returns values from the left side of the relation that has a match with the right. It is also called left semi join.
This diagram shows Left Semi Join type in Spark SQL. A semi join returns values from the left side of the relation that has a match with the right. It is also called left semi join.