The expression values from the first and last rows of the window are returned using the FIRST VALUE and LAST VALUE functions. The same value
Add or Subtract Hours to a Date – Apache Impala
There are plenty of built-in functions available in Apache Impala that helps in analyzing the data and business logic implementations. It relieves a developer’s worries
Online Courses – Learn Anything From Anywhere
Now, you can improve your personal and professional skills Online or offline. The bulk of these courses will help you achieve your life objectives. Contact
Truncate Data From A Partition- Apache Hive
TRUNCATE is a term that SQL developers are familiar with because it is a commonly used command. However, it is used at the table level
Add or Subtract Weeks to a Date – Apache Impala
There are plenty of built-in functions available in Apache Impala that helps in analyzing the data and business logic implementations. It relieves a developer’s worries
Spark SQL – Working With Variables
This post will show you how to use Scala with Spark SQL to define variables and assign values to them. Variables are just reserved memory
Big Data & SQL 