And while SQL is not the absolute best way of accessing structured data, the theory which it's almost-but-not-quite based on, the relational model, DOES have de

And while SQL is not the absolute best way of accessing structured data, the theory which it's almost-but-not-quite based on, the relational model, DOES have demonstrable and very well-researched advantages over hierarchical database models when it comes to working with structured data at a high level.