Posts

How to run multiple Transformations from one Job in Pentaho

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In this article I am going to talk about how to run multiple transformations from one job using Pentaho. I hope you'll know about pentaho, transformations and jobs. This article include two ways of doing the same process. one method is simple, easy but not much efficient way. However, the second method is more efficient and success way. First,let's talk about the easy method, This is the the most common method that you can find from the internet. And also, this is very easy method that fulfill the requirement of running multiple transformations from one job.  Let me share an example of this approach and discuss how we are going create this job and the drawbacks of this method. Fig 01: Easy method for run multiple transformations at once As you can see in above image, There are 4 transformations connected with the start and when run the   above job all of the execute and run sequentially. If you need to run all of the together in parallel, you can change the settings by Right cl

Data Analytics

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                        What is Data Analytics? As the process of analyzing raw data to find trends and answer questions, the definition of data analytics captures its broad scope of the field. However, it includes many techniques with many different goals. The data analytics process has some key components that are needed for any initiative. By combining these components, a successful data analytics initiative will provide a clear picture of where you are, where you have been and where you should go. Generally, this process begins with  descriptive analytics . This is the process of describing historical trends in data. Descriptive analytics aims to answer the question “what happened?” This often involves measuring traditional indicators such as return on investment (ROI). The indicators used will be different for each industry. Descriptive analytics does not make predictions or directly inform decisions. It focuses on summarizing data in a meaningful and descriptive way

Rich Web-Based Application

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Hey friends. Welcome back. This is the last blog of this chapter.  We will meet another new chapter. In this blog I'm going talk about Rich web-based  applications. •Rich Web-based applications      •Use advanced GUIs      •Use Delta-Communication     •Provide rich user experience •Most of the web-based applications nowadays are RiWAs. •Rich GUIs in RiWAs use Delta-Communication to communicate with the server components •DC happens behind the GUI      •Eliminates page refreshes  •DC can process asynchronously      •Eliminates page freezing  •DC works faster      •Eliminates the work-wait pattern https://www.researchgate.net/publication/317383686_Delta_Communication_The_Power_of_the_Rich_Internet_Applications Delta-communication Technologies •Simple-Pull-Delta-Communication (SPDC) can be seen as the simplest form of DC      •Used in AJAX      •Single XHR request to the server      •Client-side: Native JS support      •Se