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Re:Ask HN: Are ORMs overkill for using SQL databases? by jetti on Friday August 04, 2017 @05:36PM (#14932509)
Yea I knew of limit which is why I knew you would have to change the query. It is a simple change but a change nonetheless. I didn't know that PostgreSQL also had a CROSS JOIN.

Anyways, my point was that it wouldn't be ORM support or tied to ActiveRecord that would prevent a business from switching databases but a whole lot of other work that would need to go on.

Re:Ask HN: Are ORMs overkill for using SQL databases? by yen223 on Friday August 04, 2017 @10:33PM (#14933914)
Even if the company were treating their database as nothing more than a dumb data store, without stored procedures or the like, tight coupling within application code would still stifle any ability to integrate other data sources.