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Talend Certification Tips - Tip #002 : Know your tMap Joins

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Hi Talend Addicts, Ready to learn more about the Talend great ETL tool! This post is part of the new series discussing the most important things (Tips) to know for anybody who want to tackle the Talend Open Studio for Data Integration Certification Exam. Today's Tip is:  Tip #002: Know your tMap Joins! tMap is one, if not THE, most important component in a Talend Job.  P ersonally  I have never seen any Talend Job without at least one occurence of this component, and  believe  it or not many questions around this component on the certification exam! the tMap can be used to (obviously) map data from input to output, but even more. Map data - already said that, but very important, so I say it again! Filter input data Filter output data Transform data Join data In today's post I'll focus on the last but not least one - JOIN Data So let's kick this off with some examples; and see what are the different types of joins you can build with Talend tMap component. Setting up the

Talend certification by example (English version)

Like I said in my last posttoday I will explain to you the different types and topics of the questions that you can find when going through the Talend Open Studio for Data Integration certification exam.


/!\ please note that I'll not be sending any dumps /!\


1/ Questions types

There are two types of questions in the exam : 
  • Questions with a single correct answer
  • and questions with multiple correct answers.
The distinction between these two types of questions is easy. In the first case the answers are preceded by "radio buttons" (image below) :


In the other case the answers are preceded by "check boxes" (image below) :


2/ Questions topics

The Talend certification covers several topics, Let's see some of them:

2.1/ Menus

These are questions like: Where can we found the menu ...? Which view can do this ? How to display the following menu ? etc ... 


2.2/ Graphic elements

Questions like these: How do you recognize a "start" element? How do you recognize a component with a warning or a problem ? etc ...

 
2.3/ Business Models

These are simple questions but you must have worked with the "business models" at least two or three times to give good answers:

2.4/ Components

Some questions will be about the particular behavior of a specific component of Talend like "tUniqRow", "tReplicate", etc ...


2.5/ Relationships between job

How to bind a father job to a son job ? How to connect a sub-job to a job? How to transfer the context of the father to the son? etc ...
 

2.6/ Context variables

How to declare, initialize, etc.... Brief how to work with them.


2.7/ The tMap

Many questions about the tMap, which can be easily understandable. Of the 63 questions on the exam I passed, 12 questions were about tMap :


2.8/ JAVA functions

Some questions about Talend routines like "TalendString", "TalendDate" or "StringHandling".



Conclusion

Well, this article is now complete, thank you for reading it all and I hope it has been helpful. If you have any further questions, comments or anything do not hesitate to contact me and good luck with your exam.

/!\ Please note that I'll not be sending any dumps /!\ 

Comments

  1. Hi, Could you please share some more questions...) I am able to attempt all the 10 questions. I am planning to write Talend MDM Enterprise Edition Certification Exam. Can we get any questions on Custom Component Creation and Data Quality Components...)

    ReplyDelete
    Replies
    1. Hi,
      In fact I passed the Talend Opens Studio certification Exam, I have no idea about the Talend MDM Enterprise. But in the certification I passed there's no question about the component creation or data quality.

      What you can do is go to this page : https://www.talend.com/training/certification
      For each certification you can see the "On-demand training" proposed by the website, go see those trainings and see what topics they cover so you will know what topics the certification exam covers.

      Delete
    2. Hi,
      Do you have any other exemples of questions for the Talend Open Studio Exam ?
      I'm gonna pass the exam soon, and all help for the training will be helpful :)
      Regards.

      Delete
    3. Hi Mustapha,
      please could you share more Questions for talend data Integration exam to me?
      tedjeuaurelie@gmail.com
      thanks! :-)

      Delete
  2. I want to know is it mandatory to take course/training before Talend certification for example for 'Talend Data Integration Basics 5.6 Certification Exam' certification is it mandatory to take 'DI Basics' Training or I can directly register for exam and give it?

    ReplyDelete
    Replies
    1. No there is no need to take any course or training, but it's recommended to be a daily user of the tool before taking the exam.

      Delete
  3. This comment has been removed by the author.

    ReplyDelete
  4. Please provide all other questions for Talend Open Studio DI certification Exam.. TIA

    ReplyDelete
  5. Hi Mustapha
    thanks for the nice article, I'm going to take the exam next week could you please share more question to my e-mail si11@hotmail.com

    Best regards
    Sulaiman

    ReplyDelete
  6. Could you please share more question to me ?
    mt.khouloud@gmail.com

    ReplyDelete
    Replies
    1. Could you please share more Question to me?
      tedjeuaurelie@gmail.com

      Delete
  7. Hi Mustapha,

    I am going to pursue Talend Data Integration certification. Will you please provide me question dumps for reference. Please mail me @hiralyadav88@gmail.com. Looking forward to your response.

    Kind regards,
    Hiral

    ReplyDelete
    Replies
    1. Hi Hiral,
      soon i am going to pursue Talend Data Integration certifictation. Could you please share mor Questions to me?
      tedjeuaurelie@gmail.com
      thanks!

      Delete
  8. hello, does anybody has some informations / questions for the Big Data exam?
    thank you

    ReplyDelete
  9. Dear All,
    Im planning to write Talend Certification exam over the next weekend.
    Anybody from this blog share me the questions for reference that would helpful for me to clear the exam.
    Thank you in advance.

    Regards,
    Upendra Balija

    ReplyDelete
  10. Can anybody send me the documents/materials for Talend Data Integration developer exam. My gmail-akanksha.suman13@gmail.com

    ReplyDelete
    Replies
    1. I'm going to take the exam can u pls send the material to my mail if u have ,
      Thank you

      Delete
  11. jesiefalcotelo@gmail.com

    can you share 2018 questions?

    ReplyDelete
  12. Hi mustapha, can you share more questions.
    franck8364@gmail.com

    ReplyDelete
  13. This comment has been removed by the author.

    ReplyDelete
  14. Hi Mustapha,

    I am planning to have "Talend Data Integration v6 Certified Developer" certification.
    Could you please advise on the training material, so that I can study for it.

    Email - micheljebran1@gmail.com

    Thanks,
    Michel

    ReplyDelete
    Replies
    1. I would suggest to use the official documentation you have all you need there + 2 to 3 years of experience using the tool.

      Delete
  15. Hi all, do you have the question regarding BigData v7 exam? Thank you very much!

    ReplyDelete
  16. Hello, could you help me sending more example question? elisabete.marias@gmail.com

    ReplyDelete
  17. I dont think you will find dumps but below Udemy course has best Pratice exam below

    Talend Data Integration V7 Developer Full Practice Exam 2021

    Coupons : A2212C397441526EE709

    ReplyDelete

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