JpxIndustryCode.all
=> [{:id=>1, :jpx_industry_code_category_id=>1, :name=>"水産・農林業", :code=>"0050"}, {:id=>2, :jpx_industry_code_category_id=>2, :name=>"鉱業", :code=>"1050"}, {:id=>3, :jpx_industry_code_category_id=>3, :name=>"建設業", :code=>"2050"}...]

JpxIndustryCode.find_by(id: 1)
=> {:id=>1, :jpx_industry_code_category_id=>1, :name=>"水産・農林業", :code=>"0050"}

JpxIndustryCode.find_by(name: '鉱業')
=> {:id=>2, :jpx_industry_code_category_id=>2, :name=>"鉱業", :code=>"1050"}

JpxIndustryCode.find_by(code: '2050')
=> {:id=>3, :jpx_industry_code_category_id=>3, :name=>"建設業", :code=>"2050"}

JpxIndustryCode.find_by(id: 0)
=> nil

# If you prefer raise error rather than return nil, use bang method.
JpxIndustryCode.find_by!(id: 0)
=> JpxIndustryCode::Errors::NotFoundError



JpxIndustryCode::Category.all
=> [{:id=>1, :name=>"水産・農林業"}, {:id=>2, :name=>"鉱業"}, {:id=>3, :name=>"建設業"}...]


JpxIndustryCode::Category.find_by(id: 1)
=> {:id=>1, :name=>"水産・農林業"}

JpxIndustryCode::Category.find_by(id: 0)
=> nil

# If you prefer raise error rather than return nil, use bang method.
JpxIndustryCode::Category.find_by!(id: 0)
=> JpxIndustryCode::Errors::NotFoundError