How good should one be at Python to learn Data Science?

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You need to be good in it...Alternately you can learn Big Data
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Hi, I am an Oracle forms report developer, PLSQL developer with 6 + yrs exp.

I am looking for a change as Oracle form and reports is outdated. I have interest in data analysis. What will be a better option:

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3. SAP HANA?

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How big data development knowledge will help big data testing. What are the requirements for BIG data testing. Does ETL testing cover big data?
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Shall I learn big data analytics first or go for java and cloud computing and then hadoop?
These are 2 different skills. If you have analytical skills go for data analytics
Dhurva

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