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Comment by benjaminwootton

Date lake can be thought of a file system. Imagine 100 CSVs in folders, usually stored on S3.

Data Lakehouse involves adding things like the ability to query via SQL, the ability to update/insert/delete, transactions.

Where before people needed warehouses for BI and lakes for data science, they can now have only one approach.

It’s likely to be a big trend as data moves to this format and arrangement and the DBMS vendors like Snowflake have to play nicely with it.

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