The following built-in collection functions in Apache Hive. Size(Map<K.V>): Returns the number of elements in the map type. Example: SELECT mobile,places_lived,SIZE(mobile), SIZE(places_lived) FROM ExplodeTest2; Size(Array<T>):
The following built-in collection functions in Apache Hive. Size(Map<K.V>): Returns the number of elements in the map type. Example: SELECT mobile,places_lived,SIZE(mobile), SIZE(places_lived) FROM ExplodeTest2; Size(Array<T>):
Big Data & SQL 