Free Online Data Storage

When an application is built, an underlying data model is chosen to make that application effective. Frequently, other applications need the same data, only modeled differently. The naive solution of copying the underlying data and modeling is costly in terms of storage and makes data maintenance and evolution impossible. View mechanisms are a technique to model data differently for various applications without affecting the underlying format and structure of the data. The technique enables applications to customize shared data objects without affecting other applications that use the same objects. The growing data-manipulation needs of companies cannot be met by existing legacy systems that contain valuable data. Thus view mechanisms are becoming increasingly important as a way to model and use legacy data in new applications. Materialized views are views that have been computed and stored in databases. Because they reduce the need to recompute the view and/or data being queried, they speed up the querying of large amounts of data. Further, because they provide a systematic way to describe how to recompute the data, maintenance and evolution can be automated. Materialized views are especially useful in data warehousing, query optimization, integrity constraint maintenance, online analytical processing, and applications such as billing, banking, and retailing. This comprehensive volume, with a foreword by Jeff Ullman of Stanford University, will serve as a reference for students and commercial users, and encourage further use and development of materialized views.

The first how-to guide for online storage management with Windows 2000 In this book, expert Paul Massiglia first provides a clear tutorial on the principles of managed online storage and then walks you through the basics of how to manage your disks and RAID arrays in the Windows 2000 server environment. He provides all the information system administrators need to take advantage of Windows 2000's powerful new capabilities for handling large numbers of disks and RAID subsystems. Using both the embedded capabilities of the Windows 2000 operating system, VERITAS Volume Manager--the de-facto standard for application storage--and other working examples, Massiglia clearly illustrates how to organize disks so that all application data can be given the right balance of availability, I/O performance, and online storage cost. Readers will learn about online storage architectures, failure and non-failure tolerant volumes, RAID, online disks, and creating and managing volumes.

Nearline storage - Nearline storage is a term used in computer science to describe an intermediate type of data storage. It is a compromise between online storage (constant, very rapid access to data) and offline storage (infrequent access for backup purposes or long-term storage).

Astrophysics Data System - The NASA Astrophysics Data System (usually referred to as ADS) is an online database of over 4,000,000 astronomy papers from both peer reviewed and non-peer reviewed sources. Abstracts are available for free online for all articles, and full scanned articles are available in GIF and PDF format for older articles.

Digital Data Storage - Digital Data Storage (DDS) is a format for storing and backing up computer data on magnetic tape that evolved from Digital Audio Tape (DAT) technology, which was originally created for CD-quality audio recording. In 1989, Sony and Hewlett Packard defined the DDS format for data storage using DAT tape cartridges.

Data storage device - In computing, a data storage device—as the name implies—is a device for storing data. It usually refers to permanent (non-volatile) storage, that is, the data will remain stored when power is removed from the device; unlike semiconductor RAM.

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Data Free Online Storage - Data Free Online Storage Astrophysics Data System - The NASA Astrophysics Data System (usually referred to as ADS) is an online database of over 4,000,000 astronomy papers from both peer reviewed and non-peer reviewed sources. Abstracts are available for free online for all articles, and full scanned articles are available in GIF and PDF format for older articles. Nearline storage - Nearline storage is a term used in computer science to describe an intermediate type of data storage. It is ...

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