D - Definitions

  • 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.

  • database-agnostic

    Database-agnostic is a term describing the capacity of software to function with any vendor’s database management system (DBMS). In information technology (IT), agnostic refers to the ability of something – such as software or hardware – to work with various systems, rather than being customized for a single system.

  • DataOps (data operations)

    DataOps (data operations) is an approach to designing, implementing and maintaining a distributed data architecture that will support a wide range of open source tools and frameworks in production.

  • denormalization

    In a relational database, denormalization is an approach to optimizing performance in which the administrator selectively adds back specific instances of duplicate data after the data structure has been normalized.

  • dimension

    In data warehousing, a dimension is a collection of reference information about a measurable event (fact).

  • dimension table

    A dimension table is a table in a star schema of a data warehouse. A dimension table stores attributes, or dimensions, that describe the objects in a fact table.

  • disambiguation

    Disambiguation (also called word sense disambiguation) is the act of interpreting the intended sense or meaning of a word. Disambiguation is a common problem in computer language processing, since it is often difficult for a computer to distinguish a word’s sense when the word has multiple meanings or spellings.