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Learn Greenplum from best Institutes in Saharanpur. Greenplum Database or Pivotal Greenplum Database is a massively parallel processing (MPP) database server with an architecture specially designed to manage large-scale analytic data warehouses and business intelligence workloads. Greenplum Database is an advanced, fully featured, open source data warehouse. It provides powerful and rapid analytics on petabyte scale data volumes. Greenplum was a big data analytics company headquartered in San Mateo, California. It was found on September 2003 Greenplum was acquired by EMC Corporation in July 2010. Greenplum Database project is released under the Apache 2 license.

Greenplum Database is powered by the world’s most advanced cost-based query optimizer delivering high analytical query performance on large data volumes. It is originally based on PostgreSQL. It is essentially several PostgreSQL database instances acting together as one cohesive database management system (DBMS). It is based on PostgreSQL 8.2.15. Database users interact with Greenplum Database as they would a regular PostgreSQL DBMS. Greenplum Database has added a significant number of data warehouse innovations such as Massively Parallel Processing Architecture, Petabyte-Scale Loading, Innovative Query Optimizer, Polymorphic Data Storage and Execution and Advanced Machine Learning.
MPP also known as a shared nothing architecture refers to systems with two or more processors that cooperate to carry out an operation, each processor with its own memory, operating system and disks. Greenplum uses this high-performance system architecture to distribute the load of multi-terabyte data warehouses, and can use all of a systems resources in parallel to process a query.

Greenplum Database stores and processes large amounts of data by distributing the data and processing workload across several servers or hosts. Greenplum Database is an array of individual databases based upon PostgreSQL 8.2 working together to present a single database image. The master is the entry point to the Greenplum Database system and it is the database instance to which clients connect and submit SQL statements. The master coordinates its work with the other database instances in the system, called segments, which store and process the data. There are many features of Greenplum database. It is massively-Parallel, Shared-Nothing Database, Advanced Analytics Platform, Flexibility in Storage and Analytics, Built for Robustness, Seamless Integration with Analytics Stacks, Best-in-Class Data Management Framework and Flexibility in Deployment Models.
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