Data Management/Data Warehousing Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing data management and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • G

    Google BigQuery

    Google BigQuery is a cloud-based big data analytics web service for processing very large read-only data sets. BigQuery was designed for analyzing data on the order of billions of rows, using a SQL-like syntax.

  • Google Bigtable

    Google Bigtable is a distributed, column-oriented data store created by Google Inc. to handle very large amounts of structured data associated with the company's Internet search and Web services operations.

  • Google Cloud Dataflow

    Google Cloud Dataflow is a cloud-based data processing service for both batch and real-time data streaming applications.

  • Google Cloud Spanner

    Google Cloud Spanner is a distributed relational database service that runs on Google Cloud.

  • H

    Hadoop

    Hadoop is an open source distributed processing framework that manages data processing and storage for big data applications running in clustered systems.

  • Hadoop 2

    Apache Hadoop 2 is the second iteration of the Hadoop framework for distributed data processing.  Hadoop 2 adds support for running non-batch applications as well as new features to improve system availability.

  • Hadoop data lake

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

  • Hadoop Distributed File System (HDFS)

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

  • Heap

    Heap is a user analytics tool which can be utilized to capture all web, mobile and cloud-based user interactions in an application.

  • HP e3000

    The HP e3000 is a line of midrange business servers that carries on the well-known series of 3000 computers from Hewlett-Packard (HP).

  • I

    in-memory database management system (IMDBMS)

    An in-memory database management system (IMDBMS) stores, manages and provides access to data from main memory.

  • J

    JAQL (json query language)

    JAQL is a query language for the JavaScript Object Notation (JSON) data interchange format. Pronounced "jackal," JAQL is a functional, declarative programming language designed especially for working with large volumes of structured, semi-structured and unstructured data.

  • M

    MariaDB

    MariaDB is an open source relational database management system (DBMS) that is a compatible drop-in replacement for the widely used MySQL database technology.

  • master data

    Master data is the core data that is essential to operations in a specific business or business unit.

  • master data management (MDM)

    Master data management (MDM) is a process that creates a uniform set of data on customers, products, suppliers and other business entities from different IT systems.

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