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Using UUID in Rails 6 with PostgreSQL and ActiveRecord

pawelurbanek.com

Using UUIDs in Rails 6 with Postgres and ActiveRecord — UUIDs (which look like long strings...
Using UUIDs in Rails 6 with Postgres and ActiveRecord — UUIDs (which look like long strings of hexadecimal numbers) are an alternative primary key type for databases with pros and cons over standard, ordered integer-based keys. Rails 6 can work with UUID keys pretty well and here’s a quick tour.

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