pig

Hive DDL Commands Create Database Statement A database in Hive is a namespace or a collection of tables. hive> CREATE SCHEMA userdb;…

Hive Join Let’s see two tables Employee and EmployeeDepartment that are going to be joined. Inner joins Select * from employee join…

Hive DML Commands To understand the Hive DML commands, let’s see the employee and employee_department table first. LOAD DATA hive> LOAD DATA…

Hive Sort By vs Order By Hive sort by and order by commands are used to fetch data in sorted order. The…

HIVE Partitioning Table partitioning means dividing table into some parts based on values of a particular column like date or country, segregate…

Hive Commands Hive supports Data definition Language(DDL), Data Manipulation Language(DML) and User defined functions. Hive DDL Commands create database drop database create…

Apache Hive Installation In this section, we will perform the Hive installation. Pre-requisite Java Installation – Check whether the Java is installed…

Apache Pig SQRT Function The Apache Pig SQRT function is used to find out the square root of the given value. It…

Apache Pig LOAD Operator The Apache Pig LOAD operator is used to load the data from the file system. Syntax LOAD ‘info’…

Apache Pig LOG Function The Apache Pig LOG function is used to return the natural logarithm (base e) of an expression. Syntax…