Greenplum Concepts and Greenplum DBA's Routine Tasks

Greenplum is a solution built to support the next generation of data warehousing and large scale analytical processing.
Greenplum is the database of choice for deep analytics. Greenplum database is designed for business intelligence and analytical processing.

 
Greenplum Database is built to support the next generation of Big Data warehousing and large scale analytics processing. It stores and analyzes terabytes to petabytes of data.

The Greenplum Database was conceived, designed, and engineered to allow customers to take full advantage of large clusters of increasingly powerful servers, storage, and internet switches.

Greenplum introduced cloud storage as part of the Big Data solution.  Greenplum can be physical or virtual, can be executed on any type of hardware, and can provide the flexibility customers are looking for.


Scalability, maintainability, and real time provisioning in a virtual environment has great appeal as the industry moves towards enterprise data cloud.




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What is MapReduce

posted Jul 20, 2012, 7:50 PM by Sachchida Ojha

MapReduce is a programming model for expressing distributed computations on massive datasets and an execution framework for large-scale data processing on clusters of commodity servers. The programming model provides an easy-to-understand abstraction for designing scalable algorithms, while the execution framework transparently handles many system-level details, ranging from scheduling to synchronization to fault tolerance.


What is a Data Warehouse?

posted Feb 20, 2012, 11:18 AM by Sachchida Ojha   [ updated Feb 20, 2012, 11:19 AM ]

A Data Warehouse is the central repository of information gathered about the Enterprise that is required to support Business Decision Making (BDM). In other words A Data warehouse is a culmination of information gathered about the enterprise.

In a data warehouse, data must be,

1. Centralized

2. Agreed upon

3. Easily Accessible

4. Timely and relevant




What is Big Data?

posted Feb 20, 2012, 11:11 AM by Sachchida Ojha

Big Data refers to the tools, processes, and procedures used to create, manipulate, and manage very large data sets, on the order of petabytes of data.



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