hivesql full join

HiveSQL supports various types of joins, including the full join. The full join is used to combine rows from two or more tables based on a common column between them. It returns all rows from both tables, and if there is no match, NULL values are included.

To perform a full join in HiveSQL, you can use the following syntax:

SELECT *
FROM table1
FULL JOIN table2
ON table1.column = table2.column;

Replace `table1` and `table2` with the names of the tables you want to join, and `column` with the common column between them.

Note that full join is not a very common join type in practice, as it can generate a large number of rows and may not be efficient for large datasets. It is essential to consider the performance implications before using a full join in HiveSQL.