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Lorem Ipsum
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Saturday, June 15, 2013

Informatica Tutorial

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 Informatica is a widely used ETL tool for extracting the source data and loading it into the target after applying the required transformation. In the following section, we will try to explain the usage of Informatica in the Data Warehouse environment with an example. Here we are not going into the details of data warehouse design and this tutorial simply provides the overview about how INFORMATICA can be used as an ETL tool. Note: The exchanges/companies that are explained here is for illustrative purpose only. Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) are two major stock exchanges in India
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Informatica Upgrade Process:

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Informatica Upgrade Process: Stages across upgrade can be categorized as below: Upgrading the domain and server file: run the Informatica server installer and select the upgrade option. The domain upgrade wizard installs the server files and configures the domain. If the domain has multiple nodes, you must upgrade on all the nodes. The following table describes the actions that the installer performs when you upgrade Informatica: Tasks Description 1. Installs Informatica. Installs Infor
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Wednesday, May 15, 2013

Design Tip #155 Going Agile? Start with the Bus Matrix

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Many organizations are embracing agile development techniques for their DW/BI implementations. While we strongly concur with agile’s focus on business collaboration to deliver value via incremental initiatives, we’ve also witnessed agile’s “dark side.” Some teams get myopically focused on a narrowly-defined set of business requirements. They extract a limited amount of source data to develop a point solution in a vacuum. The resultant standalone solution can’t be leveraged by other groups and/or integrated with other analytics. The agile deliverable may have been built quickly, so it’s deemed a success. But when organiza
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White Paper: Evolving Role of the Enterprise Data Warehouse in the Era of Big Data Analytics

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The enterprise data warehouse (EDW) community has entered a new realm of meeting new and growing business requirements in the era of big data. Common challenges include:     extreme integration     semi- and un-structured data sources     petabytes of behavioral and image data accessed through MapReduce/Hadoop     massively parallel relational database     structural considerations for the EDW to support predictive and other advanced analytics.  These pressing needs raise more than a few urgent questions, such as:     How d
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Sunday, October 7, 2012

Writing a Proper Data Warehousing Request for Proposal!

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1. General Information for Vendors §         Lists the Project Vision §         Project timelines §         Nature of contract §         Scope  Reasoning: Give an overview of project and format for the RFP process. 2. System Background Description of the Technical Environment a)      Description on the Client and Server specifications at the Ministry. b)      Breakdown of  user type
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Replicating Transactions Between Microsoft SQL Server and Oracle Database Using Oracle GoldenGate

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Most Oracle technology professionals who are interested in data replication are familiar with Oracle Streams. Until 2009, Streams was the recommended and most popular Oracle technology for data distribution. In July 2009, Oracle acquired GoldenGate, a provider of database replication software. The company is now encouraging its customers to use Oracle GoldenGate (which is part of the Oracle Fusion Middleware family) for their data replication needs in new applications. Oracle's statement of direction regarding Oracle Streams
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