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All he did was iterate why large enterprises migrated toward the RDBMS.

A simple web service designed to address a single problem is not a "large enterprise". And applying an RDBMS to such problems is like using a hand grenade to kill a fly. It will work --- but there are better, more efficient and appropriate approaches.

In other words, not every problem needs to be generalized to encompass the global economy.

@jqpabc123

I agree.

We (developers) should also design tools to address the need of small scale web apps.

Maybe, we do not even need some general tools to use file system as database, just speak this method more often.

Thanks for the link.

I read it, and I think it describes bad ways of using file system, but there are also good ways.

Just like there are bad ways of using SQL databases, and there are also NoSQL, and bad ways of using NoSQL databases.

Thank you for the beginner SQL book.