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Hi, I have been working in IT from the past six years. My primary skills are Unix and SQL. Can I go for a Spark or Hadoop training? Do I need to learn Python for big data? Is there any skill I need to have for spark?

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Python is not mandatory for learning spark. But if you have some core Java skills, that will be the add on to learn spark.
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Experienced BigData professional with 17+ years of IT experience

Go for Spark training. Spark has already started replacing Hadoop (Mapreduce in particular), and since you are already familiar with SQL, it will be easier for you. Python is a much-used language in BigData, but you don't need to learn. It is mainly used for ML / Data science projects. As for learning...
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Go for Spark training. Spark has already started replacing Hadoop (Mapreduce in particular), and since you are already familiar with SQL, it will be easier for you. Python is a much-used language in BigData, but you don't need to learn. It is mainly used for ML / Data science projects. As for learning Spark, you need to know the fundamental concepts like distributed computing, the internals of Spark etc. All the best! 

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Basically Spark is a framework. To work on Spark, you need to be familiar (middle level) with Java/Scala/python
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Big Data Engineer with 5+ years of experience

Hi Sourav, SQL and UNIX will also help you in the significant data domain, but I would suggest Python or java if you want to learn Spark. First Start with a fundamental concept in spark and try writing some spark code and execute them in Data brick Free cluster.
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IT Professional with 10+ Years of Experience

My suggestion is don't get into Machine Learning if you have experience in Unix. Just because everyone started learning ML doesn't mean you should learn it. My advice to you is deep dive into UNIX. Learn C Programming along with UNIX. You have tons of opportunities in this if you become an expert in...
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My suggestion is don't get into Machine Learning if you have experience in Unix. Just because everyone started learning ML doesn't mean you should learn it. My advice to you is deep dive into UNIX. Learn C Programming along with UNIX. You have tons of opportunities in this if you become an expert in that field. 

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IT Professional ( Technical Architect ) and visiting Faculty of renowned engineering college

I would advise you to learn Python( it seems easier) and focus on Data Analytics. I also started with Unix, SQL and ETL skill sets and I am working as Big Data Architect.Please let me know if you have any other question.
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Corporate Trainer on Big Data,Hadoop,Spark and Python with 8.5 years of IT experience.

Hi, being a Hadoop and Spark trainer for the last three years, I will advise you to learn any one of the programming languages either Java/Python/Scala, so that you can perform data analytics on Hadoop/Spark. Just Unix and SQL will not satisfy the need when it comes to Hadoop. According to your expertise,...
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Hi, being a Hadoop and Spark trainer for the last three years, I will advise you to learn any one of the programming languages either Java/Python/Scala, so that you can perform data analytics on Hadoop/Spark. Just Unix and SQL will not satisfy the need when it comes to Hadoop. According to your expertise, learn any one of the programming mentioned above.

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Hello Sourav, Yes you can go for hadoop/spark training with your current profile. You don't need to learn python for it. Basic knowledge of database is enough to learn hadoop/spark.
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Trainer

Yes, you can go for Hadoop Big data. For Spark, you need to learn scala as a basic skill.
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