The conditional functions available in the Apache Hive are as follows. The most of them are also available in Apache Impala. The behavior of the
Tag: COALESCE() function in Hive
An alternative to ISNULL() and NVL() functions in Hive
The NVL() function enables you to substitute null for a more relevant alternative in the query results. This function accepts two arguments. If the first
Big Data & SQL 