DW software Definitions

  • A

    Apache Hive

    Apache Hive is an open-source data warehouse system for querying and analyzing large datasets stored in Hadoop files. Hadoop is a framework for handling large datasets in a distributed computing environment.

  • D

    data warehouse as a service (DWaaS)

    Data warehousing as a service (DWaaS) is an outsourcing model in which a service provider configures and manages the hardware and software resources a data warehouse requires, and the customer provides the data and pays for the managed service.

  • E

    Extract, Load, Transform (ELT)

    Extract, Load, Transform (ELT) is a data integration process for transferring raw data from a source system to a target database and then preparing the information for downstream uses.

  • extract, transform, load (ETL)

    In managing databases, extract, transform, load (ETL) refers to three separate functions combined into a single programming tool.

  • O

    OLAP (online analytical processing)

    OLAP (online analytical processing) enables a user to easily and selectively extract and view data from different points-of-view.

  • S

    semantic technology

    Semantic technology is a set of methods and tools that provide advanced means for categorizing and processing data, as well as for discovering relationships within varied data sets.

  • T

    tree structure

    A tree structure is an algorithm for placing and locating files (called records or keys) in a database. The algorithm finds data by repeatedly making choices at decision points called nodes. A node can have as few as two branches (also called children)...

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