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Hassan Farooq2d ago • 2 min read
What is a database transaction, and when do you reach for one in Rails?
A transaction groups several database writes into one atomic unit. Either all of them commit, or non...
#rails#database#postgres#activerecord
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Hassan Farooq2d ago • 2 min read
includes vs joins vs preload vs eager_load in Rails
These four all deal with associations, and they're easy to mix up. The way I keep them straight is t...
#rails#activerecord#performance#database
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