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NoSQL stands for Not only SQL... It does not mean No SQL.

That definitely has shifted in meaning over the years then. I remember when the selling point of these DBs was the exclusion of SQL.

It's a really overloaded term these days. In some cases it's also used as a synonym for document DB's or K/V stores.

Best way to read it nowadays is probably "not like the popular DB's of the 90's".