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ETL vendors benchmark their record-systems at multiple TB (terabytes) per hour (or ~1 GB per second) using powerful servers with multiple CPUs, multiple hard drives, multiple gigabit-network connections, and much memory. In real life, the slowest part of an ETL process usually occurs in the database load phase.
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Flow-based programming defines applications using the metaphor of a "data factory". It views an application not as a single, sequential process, which starts at a point in time, and then does one thing at a time until it is finished, but as a network of asynchronous processes communicating by means of streams of structured data chunks, called "information packets" (IPs).
William Stallings is an American author. He has written computer science textbooks on operating systems , computer networks , computer organization , and cryptography . Early life
EDSAC, on which the book was based, was the first computer in the world to provide a practical computing service for researchers. [2] Demand for the book was so limited initially that it took six years to sell out the first edition. [7] As computers became more common in the 1950s, the book became the standard textbook on programming for a time ...
Firewalls and Internet Security: Repelling the Wily Hacker is a 1994 book by William R. Cheswick and Steven M. Bellovin that helped define the concept of a network firewall. [1] [2] Describing in detail one of the first major firewall deployments at AT&T, the book influenced the formation of the perimeter security model, which became the ...
In addition to computer security, Easttom has done work in software engineering., [9] [10] applied mathematics, quantum computing, and other areas. He has authored 43 books [11] on computer security, programming languages, Linux, cyber forensics, quantum computing, computer networks, penetration testing, and cryptography. His books are used as ...
A Guide to Computer Literature. Archon Books. Rojas, Raul (2001). Encyclopedia of Computers and Computer History. Routledge. ISBN 1-57958-235-4. Tomash, Edwin; Williams, Michael R. (2009). The Erwin Tomash Library on the History of Computing: An Annotated and Illustrated Catalog. (privately printed). Yost, Jeffrey R. (2002).