Hello,
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Data science= A combination of machine learning, development of technology, business tools, algorithms and overall a complete package for business, technology, and development.
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In simple, data science is a books of records that keeps the past, present, future needs and the trends.
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Without a data scientist a company cannot run. Data scientist is mandatory in company, Industry, ITS, MNCs etc.,
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Data science teaches you machine learning, data record, business intelligence which needs your skills like must be an expert in coding.
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And jobs will be regarding based on the work you are done. Jobs for data science stream candidates are,

• Data analytics
• Analytical professional
• Marketing analytics
• business professionals
• Intelligence analysis etc.,

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So, here is the simple and best understanding information about data science stream.
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Thank you