Rails在console中增加刪除查詢改資料

user = User.create(name: "Lisa", email: "lisa@email.com", password: "passwrod", password_confirmation: "password")
user = User.first
user= User.last
user = User.find_by(id: "1")
user = User.find_by(name: "Lisa")
user = User.find_by(email: "lisa@email.com")
User.find(1).destroy


user = Candidate.new(name: "孫悟空", age: 18)
user.save

刪除全部

@object = Object.all
@object.each do |o|
  o.delete
end