complete database

app/models/apply_job.rb

 class ApplyJob < ApplicationRecord
   belongs_to :user
-  belongs_to :jobs
+  belongs_to :job
 end

app/models/city.rb

 class City < ApplicationRecord
-  belongs_to :regions
+  belongs_to :region
   has_and_belongs_to_many :jobs
   has_and_belongs_to_many :companies
 end

app/models/favorite_job.rb

 class FavoriteJob < ApplicationRecord
   belongs_to :user
-  belongs_to :jobs
+  belongs_to :job
 end

app/models/history_job.rb

 class HistoryJob < ApplicationRecord
   belongs_to :user
-  belongs_to :jobs
+  belongs_to :job
 end

app/models/job.rb

 class Job < ApplicationRecord
-  belongs_to :companies
+  belongs_to :company
   has_many :apply_jobs
   has_many :favorite_jobs
   has_many :history_jobs

config/database.yml

@@ -14,7 +14,7 @@ default: &default
 development:
   <<: *default
   username: root
-  password: 
+  password: lalili1005
   database: VeNJOB_development
 
 production: