HIve Problems :

Subqueries wont work

Nested subqueries are not supported.



Challengers are

nested subqueries are not supported

Version Conflict of Hive version in AWS

Parent child relation ship is tough is sqoop

Bucketing and loading the data

Data Objects :

 Homogenous : Vector, Matrix ad Array
 Heterogenous : list , dataframe

 MyTable= data.frame ()

 save (x, file=”x.Rdata”)

 filcontent <-read.csv (sample.csv)