Refactoring SQL Applications

By Stephane Faroult, Pascal L’Hermite
August 2008
Pages: 296
Series: Theory In Practice
ISBN 10: 0-596-51497-2 | ISBN 13: 9780596514976

What can you do when database performance doesn’t meet expectations? Before you turn to expensive hardware upgrades to solve the problem, reach for this book. Refactoring SQL Applications provides a set of tested options for making code modifications to dramatically improve the way your database applications function. Backed by real-world examples, you’ll find quick fixes for simple problems, in-depth answers for more complex situations, and complete solutions for applications with extensive problems. Learn to:

* Determine if and where you can expect performance gains
* Apply quick fixes, such as limiting calls to the database in stored functions and procedures
* Refactor tasks, such as replacing application code by a stored procedure, or replacing iterative, procedural statements with sweeping SQL statements
* Refactor flow by increasing parallelism and switching business-inducted processing from synchronous to asynchronous
* Refactor design using schema extensions, regular views, materialized views, partitioning, and more
* Compare before and after versions of a program to ensure you get the same results once you make modifications

Refactoring SQL Applications teaches you to recognize and assess code that needs refactoring, and to understand the crucial link between refactoring and performance. If and when your application bogs down, this book will help you get it back up to speed.

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Microscopic Simulation (MS) uses a computer to represent and keep track of individual (”microscopic”) elements in order to investigate complex systems which are analytically intractable. A methodology that was developed to solve physics problems, MS has been used to study the relation between microscopic behavior and macroscopic phenomena in systems ranging from those of atomic particles, to cars, animals, and even humans. In finance, MS can help explain, among other things, the effects of various elements of investor behavior on market dynamics and asset pricing. It is these issues in particular, and the value of an MS approach to finance in general, that are the subjects of this book. The authors not only put their work in perspective by surveying traditional economic analyses of investor behavior, but they also briefly examine the use of MS in fields other than finance.
Most models in economics and finance assume that investors are rational. However, experimental studies reveal systematic deviations from rational behavior. How can we determine the effect of investors’ deviations from rational behavior on asset prices and market dynamics? By using Microscopic Simulation, a methodology originally developed by physicists for the investigation of complex systems, the authors are able to relax classical assumptions about investor behavior and to model it as empirically and experimentally observed. This rounded and judicious introduction to the application of MS in finance and economics reveals that many of the empirically-observed “puzzles” in finance can be explained by investors’ quasi-rationality.
Researchers use the book because it models heterogeneous investors, a group that has proven difficult to model. Being able to predict how people will invest and setting asset prices accordingly is inherently appealing, and the combination of computing power and statistical mechanics in this book makes such modeling possible. Because many finance researchers have backgrounds in physics, the material here is accessible.

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This book provides specific guidance for architects, planners, and housing managers on designing to deter crime. While every estate and neighbourhood has different problems which require unique solutions, the process which leads to the solutions will be the same.

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History Of Middle Earth - Volumes 1-5 - “Lord of the Rings” was the climax. Silmarillion was the Bible. And the Histories of Middle-Earth series is the big stack of history books. Author J.R.R. Tolkien wrote a vast fictional history of Middle-Earth, and the first five volumes of the Histories are compiled here. The evolving backdrop of stories about Elves, Men, and the rich tapestry of fictional history is shown here, such as earlier versions of the legendary romance of Beren and Luthien, or the history of the Valar. Not the finished product of “Silmarillion,” but older drafts riddled with footnotes and commentary from Tolkien’s son Christopher. What’s more, it includes linguistic evolution, exquisite poetry, and a time travel story that evolved into something much greater. It takes a certain amount of geeky dedication to read these books. They are not light reading, and it takes knowledge of the final material to understand their significance. In many of the stories, there is greater detail than is found in the Silmarillion. And in many cases, there are huge differences, such as the mortal Beren originally being an Elf. (Which changes the whole story of Beren and Luthien, and also how we see their distant descendants, Aragorn and Arwen) Fans of “Lord of the Rings” and “Silmarillion” will undoubtedly enjoy seeing how the unrivalled fantasy stories came to be. Not for newbies, but fascinating for major fans and anyone who likes seeing how Tolkien’s writing evolved. ————————————————————————- Contains: History of Middle-earth Vol. 01 - The Book of Lost Tales.pdf History of Middle-earth Vol. 02 - The Book of Lost Tales.pdf History of Middle-earth Vol. 03 - The Lays of Beleriand.pdf History of Middle-earth Vol. 04 - The Shaping of Middle-Earth.pdf History of Middle-earth Vol. 05 - The Lost Road and other Writings.pdf

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Cisco routers are the standard devices used to connect companies to the Internet. They are highly reliable and robust, and support anything from small

connections to huge circuits used by telephone companies. Cisco Routers for the Desperate is a brief, meaty introduction to Cisco routers that will make a

competent systems ~bad word~ comfortable with the Cisco environment, teach them how to troubleshoot problems, and take them through the basic tasks of

router maintenance and integration into an existing network. When a system almost never breaks, the tech support people responsible for it do not have the

opportunity to learn about it. When it does break, repairs can take a long time simply because the people responsible don’t know what to do! This book is

designed for the desperate support people who just need to get the darn thing working again — and fast. This compact book is designed to be read once, and

then left on top of the router until something breaks. It’s for people who don’t really want to know a huge amount about routers but who do want to provide

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TITLE : Interconnecting Cisco Network Devices, Part 2 (ICND2): (CCNA Exam 640-802 and ICND exam 640-816) (3rd Edition) (Self-Study Guide) (Hardcover)
AUTHOR : by Stephen McQuerry (Author)
PUBLISHER : Cisco Press publisher
ISBN : 1587054639
EDITION : 3rd
PUB DATE : February 23, 2008
LANGUAGE : English
RLS DATE : 02/20/2008

[ R e l e a s e N o t e s ]

Interconnecting Cisco Network Devices, Part 2 (ICND2), is a Cisco-authorized, self-paced learning tool for CCNA foundation learning. This book provides you

with the knowledge needed to install, operate, and troubleshoot a small to medium-size branch office enterprise network, including configuring several

switches and routers, connecting to a WAN, and implementing network security.

In Interconnecting Cisco Network Devices, Part 2 (ICND2), you will study actual router and switch output to aid your understanding of how to configure these

devices. Many notes, tips, and cautions are also spread throughout the book. Specific topics include constructing medium-size routed and switched networks,

OSPF and EIGRP implementation, access control lists (ACL), address space management, and LAN extensions into a WAN. Chapter-ending review questions

illustrate and help solidify the concepts presented in the book.

Whether you are preparing for CCNA certification or simply want to gain a better understanding of how to build medium-size Cisco networks, you will benefit

from the foundation information presented in this book.

Interconnecting Cisco Network Devices, Part 2 (ICND2), is part of a recommended learning path from Cisco that includes simulation and hands-on training from

authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on

instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.

Steve McQuerry, CCIE No. 6108, is a consulting systems engineer with Cisco focused on data center architecture. Steve works with enterprise customers in the

Midwestern United States to help them plan their data center architectures. He has been an active member of the internetworking community since 1991 and has

held multiple certifications from Novell, Microsoft, and Cisco. Before joining Cisco Steve worked as an independent contractor with Global Knowledge, where

he taught and developed coursework around Cisco technologies and certifications.

- Review the Cisco IOS Software command structure for routers and switches
- Build LANs and understand how to overcome problems associated with Layer 2 switching
- Evaluate the differences between link-state and distance vector routing protocols
- Configure and troubleshoot OSPF in a single area
- Configure and troubleshoot EIGRP
- Identify and filter traffic with ACLs
- Use Network Address Translation (NAT) and Port Address Translation (PAT) to conserve IPv4 address space and implement IPv6
- Connect different sites over WANs or the Internet using IPsec VPN, SSL VPN, leased line, and Frame Relay connections

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Scientific American September 2008

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