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Glossary


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z *ALL

If you do not see a particular word or phrase that you would like to know the definition of, please let us know by writing to MaryJo.Nott@sourcemedia.com and indicate the term you would like us to add to the Glossary.

Namespaces
XML namespaces provide a simple method for qualifying element and attribute names used in XML documents by associating them with namespaces identified by URI references.

Nearline Storage
Data that are not on line must be near line, i.e., capable of being accessed and placed on line within 15 seconds of the access request. Typically, archived data will be kept in nearline storage.

Network File Share
A network file share is a folder (also known as a directory) on a server that is shared out to users on a local area network (LAN) or intranet. Users attach to this file share and can drag and drop files/folders or modify the files/folder within the file share. A file share is typically mapped to a users local computer as a logical drive, such as X:. It is accessed just like the other drives on your computer, such as the A: or C: drives. File shares are a fast and secure method for managing content on a remote server.

Niche Marketing
A marketing segmentation strategy in which the firm focuses on serving one segment of the market. Similar to segmented marketing, but a niche is a small distinguishable segment that can be uniquely served.

Normalization
The process of reducing a complex data structure into its simplest, most stable structure. In general, the process entails the removal of redundant attributes, keys, and relationships from a conceptual data model.

Null
A null value tells you the value for that row is either missing, unknown, not yet know or inapplicable. Placing a zero in the row would not reflect the accurate state of the row, because zero is a value. This way you can search for missing data and SQL supports the notion of null values.




* definition provided by Hyperion.



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