Please click here for “ARRAY in MAP” The data is available in a number of formats, volumes, and types. It may be well-organized, partially-organized, or
Tag: map_keys collection function in Hive
Complex Data Types – Part-3
In the previous article, we looked at how to work with the complex datatype “Array.” Now, we’ll look at the “MAP,” which is a another
Collection Functions in Hive
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 