I guess the idea relates to "a SQL database" - might be technically incorrect, but with Mongo it's sort of embedded in NoSQL - that also originally meant "no SQ

I guess the idea relates to "a SQL database" - might be technically incorrect, but with Mongo it's sort of embedded in NoSQL - that also originally meant "no SQL [language]", but has turned to mean "no SQL and not a classical RDBMS with databases, tables and columns, rows, views, procedures..."