Today we will learn how to Select columns from a Spark Dataframe. While selecting we can show complete list of columns or select only few […]
Blogs
HIVE ALTER TABLE
In Previous chapter we learned about HIVE TABLE CREATION and today lets check out HIVE ALTER TABLE. Here we will list down all the alterations that can be […]
HIVE DATA TYPES
Many of the datatypes you find in Relational Databases can be found in Hive as well. They are called “Primitive Datatypes“. Along with these , […]
SCALA FUNCTIONS
In Previous chapter we learned about SCALA CASE CLASS and today lets check out SCALA FUNCTIONS. Simply put a function is a block of statement which […]
SCALA CASE CLASS
In Previous chapter we learned about SCALA SINGLETON AND COMPANION OBJECT and today lets check out SCALA CASE CLASS. A Case Class is just like a regular […]
SCALA SINGLETON AND COMPANION OBJECT
In Previous chapter we learned about SCALA CLASS and today lets check out SCALA SINGLETON AND COMPANION OBJECT. From previous chapter we now know how to create […]
SCALA CLASS
In Previous chapter we learned about SCALA PATTERN MATCHING and today lets check out SCALA CLASS. A Scala Class is a collection of variables , methods ,objects […]
Scala Pattern Matching
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 […]
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 […]
