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NCOI Data management Rating 8.5

NCOI  Data management  Rating 8.5

NCOI Data management Rating 8.5


Data - Stored representation of objects and events that have meaning and importance in the user's environment.

Information - Data that have been processed in such a way as to increase the knowledge of the person who uses the data.

Metadata - Data that describes the properties or characteristics of end-user data and the context of those data. Properties include data names, length (or size), and allowable values.

Database - An organized collection of logically related data

Structured data - Stores facts (such as customer name, address, and telephone number). Data types include numeric, character and dates. Stored in tabular form. Most commonly found in traditional databases and data warehouses.

Unstructured data - Stores multimedia data. Examples include documents, e-mails, GPS information, maps, audio files, photographic images, videos, etc.



File - A collection of related records.

Database application - An application program (or set of related programs) that is used to perform a series of database activities (create, read, update and delete) on behalf of database users.

Data Model - Graphical systems used to capture the nature and relationships among data.

Entity - A person, a place, an object, an event, or a concept in the user environment about which the organization wishes to maintain data.

Attribute - The data you are interested in capturing about the entity.

Relational database - A database that represents data as a collection of tables in which all data relationships are represented by common values in related tables.

Database management system (DBMS) - A software system that is used to create, maintain, and provide controlled access to user databases.

Constraint - A rule that cannot be violated by database users.

Repository - A centralized knowledge of all data definitions, data relationships, screen and report fo

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