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SQL is a standard language for storing, manipulating and retrieving data in databases. And your work is well.

I wanna know that why the don't use Mongo Database?

Because MS-SQL offers features not available with MongoDB

True but,
At present all big big company use MongoDB,
Exmp: Facebook

Facebook (And any other company worth their salt) uses MongoDB where it's a good fit, and Postgres/MySQL/OracleDB where they're a good fit.

Steemdata is a mongodb database, however, it's no-where near as flexible as a standard SQL database for this kind of thing.

Just what I needed to see. Thanks for this update

Wow wow wow, nice post brilliant idea and so cool. Keep the good work flowing

This is fantastic.

Is there a way we could explain all of this in far more simpler language for lay men on Steemit?

I think the message would sink faster, deeper and longer that way.

wow very cool, vote me yes