Which part of data science involves more of SQLs?

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We cant predict the major usage of SQL in particular part, Anything which requires to have a strong data warehouse will definitely require SQL.
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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 I am looking for a change as Oracle form and reports is outdated.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: 1. ETL, 2. Big Data or, 3. SAP HANA?
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