Question: However, data warehousing requires you to design your schema before you can save the data. You can only load structured data into the system. Conversely,

However, data warehousing requires you to design your schema before you can save the data. You can only load structured data into the system. Conversely, data lakes have no such requirements. They can store unstructured and semi

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structured data, such as web server logs

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clickstreams, social media, and sensor data. In view of these, which is more reliable in terms of data quality?

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