this post was submitted on 02 Mar 2025
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What is NoSQL good for? (programming.dev)
submitted 1 day ago by [email protected] to c/[email protected]
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I’m versed enough in SQL and RDBMS that I can put things in the third normal form with relative ease. But the meta seems to be NoSQL. Backends often don’t even provide a SQL interface.

So, as far as I know, NoSQL is essentially a collection of files, usually JSON, paired with some querying capacity.

  1. What problem is it trying to solve?
  2. What advantages over traditional RDBMS?
  3. Where are its weaknesses?
  4. Can I make queries with complex WHERE clauses?
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[–] [email protected] 3 points 1 day ago

Part of any issue looking at SQL vs NoSQL currently is that SQL has continued to evolve and actually taken steps to incorporate no-sql like paradigms.

A good example is JSON support. Initially if you wanted to store or manage JSON objects it was either as text in SQL or required a NoSQL database. Now the SQL standard has support for JSON.

Similarly "Big Data" is a space for NoSQL, things like columnar databases were designed for more efficient storing/processing (although columnar indexes can now exist in SQL databases I believe).

Some spaces where NoSQL still is really important is things like graph databases and key value (as others have mentioned). Graph databases require a different query language and backend.