Modification semantics in now-relative databases [An article from

Author: K. Torp
Edition:
Binding: Digital
ISBN: B000RR4AE8

Modification semantics in now-relative databases [An article from: Information Systems]

This digital document is a journal article from Information Systems, published by Elsevier in 2004. Get Modification semantics in now-relative databases [An article from computer books for free.
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Description:
Most real-world databases record time-varying information. In such databases, the notion of ''the current time,'' or NOW, occurs naturally and prominently. For example, when capturing the past states of a relation using begin and end time columns, tuples that are part of the current state have some past time as their begin time and NOW as their end time. While the semantics of such variable databases has been described in detail and is well understood, Check Modification semantics in now-relative databases [An article from our best computer books for 2013. All books are available in pdf format and downloadable from rapidshare, 4shared, and mediafire.

Modification semantics in now-relative databases [An article from Free

The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
Most real-world databases record time-varying information While the semantics of such variable databases has been described in detail and is well understood,

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