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arel - Want to find records with no associated records in Rails
    Consider a simple association... class Person has_many :friends end class Friend belongs_to :person end What is the ... away from actual SQL the better... Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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arel - Want to find records with no associated records in Rails
    Consider a simple association... class Person has_many :friends end class Friend belongs_to :person end What is the cleanest ... And the farther away from actual SQL the better......
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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arel - Want to find records with no associated records in Rails
    Consider a simple association... class Person has_many :friends end class Friend belongs_to :person end What is the cleanest ... And the farther away from actual SQL the better......
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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