Introduction to Data Warehousing

Written by Exforsys.com


Continued from page 1

Data from different data sources is stored in a relational database for end use analysis Data is organized in summarized, aggregated, subject oriented, non volatile patterns.

Data is a data warehouse is consolidated, flexible collection of data Supports analysis of data but does not support online analysis of data.

Online Analytical Processing

A tool to evaluate and analyzerepparttar data inrepparttar 107249 data warehouse using analytical queries.

A tool which helps organize data inrepparttar 107250 data warehouse using multidimensional models of data aggregation and summarization.

Supportsrepparttar 107251 data analyst in real time and enables online analysis of data with speed and flexibility.

Ralph Kimballrepparttar 107252 co-founder ofrepparttar 107253 data warehousing concept has definedrepparttar 107254 data warehouse as a “"a copy of transaction data specifically structured for query and analysis”.

Both definitions highlight specific features ofrepparttar 107255 data warehouse. The former definition focuses onrepparttar 107256 structure and organization ofrepparttar 107257 data andrepparttar 107258 latter focuses uponrepparttar 107259 usage ofrepparttar 107260 data. However, a listing ofrepparttar 107261 features of a data warehouse would necessarily includerepparttar 107262 aspects highlighted in both these definitions.

For more visualization of this article along withrepparttar 107263 screen shots and more visit http://www.exforsys.com/content/category/17/253/332/

Exforsys is a community of developers specializing in C, C++, C#, Java, J2EE, .NET, PeopleSoft, SAP, Siebel, Oracle Apps., Data warehousing, Oracle/SQL Server/DB2 and Testing. Please visit http://www.exforsys.com for more tutorials and for Interview questions http://www.geekinterview.com is an open database.


Creating the Right Skin Texture

Written by Ma. Carla Balattan


Continued from page 1

You can also tone downrepparttar results ofrepparttar 107248 examples given after paintingrepparttar 107249 skin texture and adjusting brightness and contrast. If smoother skins are needed, harsh blending modes should not be used as applied inrepparttar 107250 examples. This only provesrepparttar 107251 variety and innovativeness ofrepparttar 107252 new brush collection on skin texture. You only have to understand that these brushes support Photoshop CS and will not work in Photoshop 7 and below.

They are compressed in a Zip archive and you can use any Zip utility to decompress them. The brush file is NagelSeries 20.zip. to decompress it, you have to double-clickrepparttar 107253 file. After decompressingrepparttar 107254 file, to become NagelSeries20.abr, you could already move it intorepparttar 107255 Brushes directory of your Photoshop Cs folder (/Adobe Photoshop CS/Presets/Brushes/).

After this download process, you can now use your new custom brush collection! Launch Photoshop, openrepparttar 107256 Brushes palette and click onrepparttar 107257 flyaway menu atrepparttar 107258 top right. Here, you will findrepparttar 107259 new brush collection and install by simply selecting it. By selecting,repparttar 107260 new brushes will appear atrepparttar 107261 bottom ofrepparttar 107262 list of available brushes.

Surely, you’ll be very eager to start now. Start downloading these new custom brushes and createrepparttar 107263 appropriate skin texture for your image!

For additional information about the articles you may visit http://www.uprinting.com


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