RDDs vs DataFrames in Apache Spark

Apache Spark: Apache Spark is a general-purpose & lightning fast cluster computing system. It provides a high-level API like Java, […]

RDD Joins in Core Spark

RDD Joins in Core Spark Apache Spark Apache Spark is an open source parallel processing framework for running large-scale data […]

Spark Sql Aggregate Function in RDD:

Spark sql Aggregate Function in RDD: Spark sql: Spark SQL is a Spark module for structured data processing. Unlike the […]

Hbase Interview Questions

Hbase Interview Questions (click to view answers) 1. What is NoSql? Apache HBase is a type of “NoSQL” database. “NoSQL” […]

Hive,Hbase Integration

Hive,Hbase Integration Hive: Apache Hive is an open-source data warehouse system for querying and analyzing large datasets stored in Hadoop […]

Dynamic Partitioning In Hive

Apache Hive Dynamic Partition  table Difference between Static and Dynamic partition : Static Partition  columns: in DML/DDL involving multiple partitioning […]

Hive Joins Examples

Joins in Hive : Hive converts joins over multiple tables into a single map/reduce job if for every table the […]

Hadoop Installation

Hadoop installation steps for a pseudo-distributed mode Pseudo-Distributed Installation Steps for setting up a pseudo-distributed Hadoop cluster backed by the […]