Showing posts with label databases. Show all posts
Showing posts with label databases. Show all posts

Practical Risk Assessment for Project Management Review

Practical Risk Assessment for Project Management
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Practical Risk Assessment for Project Management ReviewThe ideal audience for this book is relatively narrow, consisting of readers who meet the following two criteria: (1) new to risk management techniques, and (2) using Palisade @Risk. In fact, this book comes close to being a tutorial on using @Risk, which is a popular commercial product that works within Microsoft Excel and project management programs.
If you are new to advanced techniques in project risk management you'll like the way the author succinctly covers all of the key elements of project risk assessment, project finance forecasting, and simulation and modeling. Considering the complexity of the subject area, and the fact that both probability and simulation techniques are covered, the author does a remarkable job of conveying the wide range of topics in a scant 134 pages. I especially liked the generous use of graphs and examples, and the way each topic was broken down into easy-to-grasp facts and steps.
However, even without @Risk you can learn much about risk assessment from this book, including a refresher on probability distributions, how to perform an assessment using manual techniques, and modeling and simulation with an emphasis on Monte Carlo simulation.
The only problem I have with this book is that it's out of date with respect to @Risk, which has evolved into a much more capable tool since this book was first published 7 years ago. Since one of the this book's strengths is the way it teaches how to apply @Risk to real world project risk assessment, the fact that it's out of date with respect to the software version diminishes its value.Practical Risk Assessment for Project Management OverviewIn the estimating, planning and management of any project, large or small, an understanding of the impact of risk is critical. This book explains how the growing number of people choosing to or forced to organise their work as projects can make realistic assessments of the uncertainty affecting costs, timescale and revenue, before commitments are made. A clear analysis of the role of uncertainty is combined in this concise and practical handbook with simple, cost-effective techniques for measuring and modelling the overall risk to a project's budget and schedule. There is advice and help here for the whole project team, including project managers; bid managers; project sales professionals; planners; estimators; managers running a project-based business; and consultants and auditors advising a projects business. Drawn from the author's extensive experience on projects ranging in scale from a few man-months to hundreds of man-years, the book will beelevant to anyone involved in a project-based business. Examples are presented as simple models, built in spreadsheets using the @Risk software package. No more than basic knowledge of Lotus 1-2-3?? or Excel?? will be required by the reader.

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Pro Oracle Database 10g RAC on Linux: Installation, Administration, and Performance (Expert's Voice in Oracle) Review

Pro Oracle Database 10g RAC on Linux: Installation, Administration, and Performance (Expert's Voice in Oracle)
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Pro Oracle Database 10g RAC on Linux: Installation, Administration, and Performance (Expert's Voice in Oracle) ReviewThis book can easily be used as a college textbook on Oracle RAC. I am studying for the Oracle Certified Master exam and this is possibly the most high level book on Oracle I have read.
It has 3 major strengths which I found to be superior to any Oracle RAC books I have read (including the manual from Oracle).
1)Technical Depth
2)Comprehensive Overview and instructions
3)Quality of writing1)Technical Depth
The authors write about Linux and Oracle and are high level experts in the subjects. For example, the authors have a very detailed description of how Oracle Cache Fusion handles locking across all the nodes in a RAC environment (probably the crown jewel of RAC technology). They also discuss, in detail, different types of CPU, memory, and storage and contains detailed description of each architecture. Lastly, it contains vast number of "how to" install, configure, change, analyze, backup/restore, and utilize Oracle RAC and Linux.
2)Comprehensive Coverage and Instructions
No small amount of detail has been skipped. The book contains every utility (there are many) provided by Oracle to implement RAC. It provides a good step-by-step coverage of Linux and Oracle RAC installation as well what each step is adding to the RAC environment. To top it off, it adds how to performance tune, administer, troubleshoot, backup/restore, and use Dataguard in a RAC environment. I can't think of a subject on RAC which the authors did not cover.
3)Quality of Writing
I was pleasantly surprised how well written this book is. Although far from a Pulitzer Prize material, it certainly belongs in that category amongst the Oracle books. Every praragraph has been well organized and written. The proofreader of this book deserves major praise for their work.
Pro Oracle Database 10g RAC on Linux: Installation, Administration, and Performance (Expert's Voice in Oracle) OverviewReal Application Clusters and the Grid architecture are Oracle's strategy for scaling out enterprise systems to cope with higher and higher workloads and more and more users. The premise of Grid is simple: it works just like a utility (e.g. electricity) grid. You don't care which "station" you get your data from as long as you get it, and if one station goes down then it's just fetched from somewhere else without the user being any the wiser. As demand grows you just add another cheap 2-CPU Intel machine (running Linux) to the cluster.While the premise is simple, the technology and the reality of its implementation is complex. Therefore many books are limited to talking conceptually and theoretically about the RAC technology. This book, however, will be the first to show how to actually implement and administer an Oracle 10g Real Application Cluster (RAC) system in a Linux environment. Based on extensive real world experience gained with Fortune 500 companies, this book discusses: basic concepts underlying Linux and Oracle RAC, design strategies, hardware procurement and configuration and many more. Many RAC specific technologies are covered including configuration of the interconnect, OCFS, ASM, Cluster Ready Services and Grid Control. Use of Oracle features such as RMAN to provide backup and recovery and Data Guard to provide disaster recovery are also discussed along with the many hardware options available including servers, storage and networking options.Practical examples and details configuration information are given throughout the book. After reading it, you will have all the information you need to build an Oracle RAC database on Linux whether it is on a single laptop or on a 64-node Itanium cluster.

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Introduction to Data Technologies (Chapman & Hall/CRC Computer Science & Data Analysis) Review

Introduction to Data Technologies (Chapman and Hall/CRC Computer Science and Data Analysis)
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Introduction to Data Technologies (Chapman & Hall/CRC Computer Science & Data Analysis) ReviewThis is a very gentle book. It provides a first look at things like HTML, XML, SQL and other supposedly arcane technologies used in data storage, retrieval and manipulation. Coming from Paul Murrell, it has a delicately humorous, slightly quirky slant in some of the examples he chooses, but maintaining full relevance. There is a little bit on R included, but almost as an afterthought. It is not a book abour R. The book is clearly intended to be a teaching resource for a component of a modern statistics subject, probably at second or (honours) first year. I found the pace a little slow, but then, I'm no longer a student!
The entire text of the book has been released electronically and, in the spirit of R itself, is free. You just can't sell it. So classes using the text could be expected to have their own electronic materials. A search on something like "Paul Murrell Data Technonogies" should locate it quickly enough.Introduction to Data Technologies (Chapman & Hall/CRC Computer Science & Data Analysis) OverviewProviding key information on how to work with research data, Introduction to Data Technologies presents ideas and techniques for performing critical, behind-the-scenes tasks that take up so much time and effort yet typically receive little attention in formal education. With a focus on computational tools, the book shows readers how to improve their awareness of what tasks can be achieved and describes the correct approach to perform these tasks. Practical examples demonstrate the most important pointsThe author first discusses how to write computer code using HTML as a concrete example. He then covers a variety of data storage topics, including different file formats, XML, and the structure and design issues of relational databases. After illustrating how to extract data from a relational database using SQL, the book presents tools and techniques for searching, sorting, tabulating, and manipulating data. It also introduces some very basic programming concepts as well as the R language for statistical computing. Each of these topics has supporting chapters that offer reference material on HTML, CSS, XML, DTD, SQL, R, and regular expressions.One-stop shop of introductory computing information Written by a member of the R Development Core Team, this resource shows readers how to apply data technologies to tasks within a research setting. Collecting material otherwise scattered across many books and the web, it explores how to publish information via the web, how to access information stored in different formats, and how to write small programs to automate simple, repetitive tasks.

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