Spark is an open source framework from Apache Software Foundation for distributed processing of large amounts of data on clusters of computers, designed for use in Big Data environments, and created to enhance the capabilities of its predecessor MapReduce.

Spark inherits the scalability and fault tolerance capabilities of MapReduce, but far surpasses it in terms of processing speed, ease of use and analytical capabilities...

The Hadoop software library is a framework that enables distributed processing of large datasets using clusters of computers or servers, using simple programming models.

Hadoop is designed to scale easily from single server systems to thousands of machines...

Oracle Database Recovery is a software from the company Stellar that allows you to restore Oracle 9i, 10g and 11g databases and recover database objects by repairing corrupt or inaccessible .DBF files.

This restore software is installed on Windows operating systems (Windows 7, Vista, XP, Windows Server 2000, 2003 and 2008), and works on Oracle DBF files to rebuild the damaged objects on a new empty database, thus eliminating any risk of damaging the original Oracle database, or its files...