They say it is scalability and rapid development.
I believe it is because someone heard buzzwords & they don't understand the technologies involved.
They have not done any study. They know an analytics company that does great with its 8 tables. We have 900 tables.
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When you encounter a problem, if the solution isn't readily evident go back to the start and check your assumptions.
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It’s unpleasantly like being drunk.
What’s so unpleasant about being drunk?
You ask a glass of water. -- Douglas Adams