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hadoop data lake

Hadoop data lake

Definition | SearchDataManagement

A Hadoop data lake is a data management platform comprising one or more Hadoop clusters.

enterprise data hub

Definition | SearchCIO

An enterprise data hub, also referred to as a data lake, is a new big data management model for big data that utilizes Hadoop as the central data ...

data lake

Definition | SearchAWS

A data lake is a large object-based storage repository that holds data in its native format until it is needed. While a hierarchical data warehouse ...

Microsoft Azure Data Lake

Definition | SearchCloudComputing

Microsoft Azure Data Lake is a highly scalable public cloud service that allows developers, scientists, business professionals and other Microsoft ...


Definition | SearchSAP

SAP HANA Vora is an in-memory computing engine designed to make big data from Hadoop more accessible and usable for enterprises. It takes data stored...

Hadoop Distributed File System (HDFS)

Definition | SearchDataManagement

The Hadoop Distributed File System (HDFS) is the primary data storage system used by Hadoop applications.


Definition | SearchSQLServer

U-SQL is a Microsoft query language that combines a declarative SQL-like syntax with C# programming, enabling it to be used to process both ...

data engineer

Definition | SearchDataManagement

A data engineer is a worker whose primary job responsibilities involve preparing data for analytical or operational uses.

big data analytics

Definition | SearchBusinessAnalytics

Big data analytics is the process of examining large and varied data sets -- i.e., big data -- to uncover hidden patterns, unknown correlations, ...

data preparation

Definition | SearchBusinessAnalytics

Data preparation is the process of gathering, combining, structuring and organizing data so it can be analyzed as part of data visualization, ...



  • risk map (risk heat map)

    A risk map, also known as a risk heat map, is a data visualization tool for communicating specific risks an organization faces. A...

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...


  • federated identity management (FIM)

    Federated identity management (FIM) is an arrangement that can be made among multiple enterprises to let subscribers use the same...

  • cross-site scripting (XSS)

    Cross-site scripting (XSS) is a type of injection security attack in which an attacker injects data, such as a malicious script, ...

  • firewall

    In computing, a firewall is software or firmware that enforces a set of rules about what data packets will be allowed to enter or...



  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...


  • volume manager

    A volume manager is software within an operating system (OS) that controls capacity allocation for storage arrays.

  • external storage device

    An external storage device, also referred to as auxiliary storage and secondary storage, is a device that contains all the ...

  • NetApp SolidFire

    NetApp SolidFire is a business division of NetApp Inc. that specializes in all-flash storage systems.


  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.