In Previous chapter we learned about SCALA STRING INTERPOLATION and today lets check out SCALA PATTERN MATCHING. In SCALA Pattern Matching you would match a pattern […]
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Scala String Interpolation
In Previous chapter we learned about SCALA LAZY EVALUATION and today lets check out SCALA STRING INTERPOLATION. String Interpolation is a process of creating String from Data. […]
Scala Lazy Evaluation
In Previous chapter we learned about SCALA MUTABILITY VS IMMUTABILITY and today lets check out SCALA LAZY EVALUATION. WHAT IS LAZY EVALUATION IN SCALA In Scala Lazy […]
Scala Mutability vs Immutability
In the previous chapter we learned about SCALA TYPE INFERENCE and today lets check out SCALA MUTABILITY VS IMMUTABILITY. Mutability means you can change the […]
SCALA TYPE INFERENCE
In Previous chapter we learned about Functional Programming and today lets check out SCALA TYPE INFERENCE. In Scala you do not have to assign datatype […]
What is Functional Programming
Functional Programming is a way of writing computer programs in the same manner as mathematical functions. They are categorized into two groups1.Pure Function2.Impure Function Pure […]
HIVE DROP TABLE
In Previous chapter we learned about Hive Insert Into vs Insert Overwrite and today lets check out Hive Drop Table. If we need to remove […]
Hive/Spark – Find External Tables in hive from a List of tables
Let say that there is a scenario in which you need to find the list of External Tables from all the Tables in a Hive […]
Hive – Order By vs Sort By vs Distribute By vs Cluster By
Lets understand the difference with the help of examples. Lets create a table Department having Name and DeptId. ORDER BY :Defn: It guarantees global ordering, […]
HDFS Replication Factor
HDFS stores a file as a sequence of blocks , where every block is of same size [with exception of last block]. Replication factor dictates […]
