Manipulating data

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  • Oracle 10g Data Mining Application Developers guide WW Oracle Database 10g, released in 2003 and the current release, enables grid (the g in 10g) computing. A grid is simply a pool of computers that provides needed resources for applications on an as-needed basis. The goal is to provide comput- ing resources that transparently scale to the user community, much as an electri- cal utility company can deliver power to meet peak demand by accessing energy from other power providers’ plants via a power grid.

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  • Data Analysis and Presentation Skills: An Introduction for the Life and Medical Sciences is an invaluable text allowing students to develop appropriate key skills when designing experiments, generating results, analysing data and ultimately presenting findings to academics and referees. Taking a hands-on approach, each of these key areas is introduced clearly and carefully, showing how to access and evaluate information using a variety of resources. Basic analytical theory is gradually introduced alongside practical applications to enhance student understanding.

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  • This document provides information about Oracle Data Guard broker, a management and monitoring interface that helps you configure, monitor, and control an Oracle Data Guard broker configuration. Oracle Data Guard Broker is intended for database administrators (DBAs) and system administrators who want to use the Oracle Data Guard broker to automate many of the tasks involved in configuring and monitoring an Oracle Data Guard configuration.

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  • The first question that I ask an environmental science student who comes seeking my advice on a data analysis problem is Have you looked at your data? Very often, after some beating around the bush, the student answers, Not really. The student goes on to explain that he or she loaded the data into an analysis package provided by an advisor, or downloaded off the web, and it didn’t work. The student tells me, Something is wrong with my data! I then ask my second question: Have you ever used the analysis package with a dataset that did work? After some further beating around the bush,...

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  • Introduction Part I: A SQL Concepts Overview HOUR 1 Welcome to the World of SQL Part II: Building Your Database HOUR 2 Defining Data Structures 3 Managing Database Objects 4 The Normalization Process 5 Manipulating Data 6 Managing Database Transaction

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  • This book offers practical recipes to solve a variety of common problems that users have with extracting Access data and performing calculations on it. Whether you use Access 2007 or an earlier version, this book will teach you new methods to query data, different ways to move data in and out of Access, how to calculate answers to financial and investment issues, how to jump beyond SQL by manipulating data with VBA, and more.

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  • Before you start working your way through this book, you may ask yourself— Why analyze data? This is an important, basic question, and it has several compelling answers. The simplest need for data analysis arises most naturally in disciplines addressing phenomena that are, in all likelihood, inherently nondeterministic (e.g., feelings and psychology or stock market behavior). Since such fields of knowledge are not governed by known fundamental equations, the only way to generalize disparate observations into expanded knowledge is to analyze those observations.

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  • Tham khảo sách 'microarrays volume 2: applications and data analysis', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Chapter 9 - Characters and strings. After you have read and studied this chapter, you should be able to: Declare and manipulate data of the char data type; write string processing program, applicable in areas such as bioinformatics, using String, StringBuilder, and StringBuffer objects; differentiate the three string classes and use the correct class for a given task; specify regular expressions for searching a pattern in a string; use the Pattern and Matcher classes; compare the String objects correctly.

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  • Oracle Database 10g, released in 2003 and the current release, enables grid (the g in 10g) computing. A grid is simply a pool of computers that provides needed resources for applications on an as-needed basis. The goal is to provide comput- ing resources that transparently scale to the user community, much as an electri- cal utility company can deliver power to meet peak demand by accessing energy from other power providers’ plants via a power grid.

    pdf118p vitconxinhdep 30-07-2009 157 59   Download

  • Oracle Database Advanced Replication Management API Reference contains information that describes the features and functionality of the replication management API. Specifically, the Oracle Database Advanced Replication Management API Reference contains reference information for the packages in the replication management API, as well as examples of their use. In addition, Oracle Database Advanced Replication Management API Reference contains reference information about the replication catalog and other data dictionary views that are important for replication...

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  • Oracle Database Application Developer’s Guide - Expression Filter provides usage and reference information about Expression Filter, a feature of Oracle Database that stores, indexes, and evaluates conditional expressions in relational tables. Application developers and DBAs can save time and labor by using Oracle Expression Filter to store and evaluate large sets of conditional expressions in the database.

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  • Oracle interMedia ("interMedia") is a feature that enables Oracle Database to store, manage, and retrieve images, audio, video, or other heterogeneous media data in an integrated fashion with other enterprise information. Oracle interMedia extends Oracle Database reliability, availability, and data management to multimedia content in traditional, Internet, electronic commerce, and media-rich applications. See Oracle interMedia User's Guide for conceptual information and information on application development....

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  • The Oracle has spoken—you need to get up to speed on PL/SQL programming, right? We predict it'll be a breeze with this book! You'll find out about code structures, best practices, and code naming standards, how to use conditions and loops, where to place PL/SQL code in system projects, ways to manipulate data, and more.

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  • Python for Data Analysis is concerned with the nuts and bolts of manipulating, processing, cleaning, and crunching data in Python. It is also a practical, modern introduction to scientific computing in Python, tailored for data-intensive applications. This is a book about the parts of the Python language and libraries you’ll need to effectively solve a broad set of data analysis problems. This book is not an exposition on analytical methods using Python as the implementation language.

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  • Once your tables have been created, you will need to add new rows, make changes to rows in a table, or delete rows by using data manipulation commands. This lesson covers using SQL commands to make changes to data. A number of these data manipulation commands make up a transaction, which you may either save or delete using transaction controls. At the end of this lesson, you should be able to  Insert new rows into a table.  Update existing rows in a table.  Delete rows from a table.  Explain transaction controls and their importance....

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  • The data-driven application is the most common type of application that you will be working with, and this importance is echoed in the XML Web Services exam. In this chapter, you will round out your coverage of data technologies by looking at how you can implement XML web services that both expose and consume data.

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  • A data model is an integrated collection of concepts for describing and manipulating data, relationships between data, and constraints on the data in an organization. • A model is a representation of “real world” objects and events, and their associations. It is an abstraction that concentrates on the essential, inherent aspects of an organization and ignores accidental properties. • A data model must provide the basic concepts and notations that will allow database designers and end-users unambiguously and accurately to communicate their understanding of the organizational data....

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  • With the popularity of Java language, JDBC is now perhaps the most commonly used API to access databases. Oracle is one of the premium databases of the world. This book is about accessing and manipulating data in Oracle using JDBC, with a focus on performance and scalability. Why another book on JDBC and Oracle, you may ask? I wrote this book because I realized that most of the other JDBC books available today more or less regurgitate the JDBC specification and the Oracle JDBC documentation that is freely available on the Internet. This book is different. The central aim of...

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  • As a database developer, you need to regularly retrieve data for various purposes, such as creating reports and manipulating data. You can retrieve data from the database server by using SQL queries. This chapter explains how to retrieve selected data from database tables by executing the SQL queries. Further, it discusses how to incorporate functions to customize the data values returned by the queries. In addition, the chapter explains how to retrieve summarized and grouped data from the database tables....

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