ticle
    articles2    : [id] ➞ Article
    producers    : [id] ➞ Producer
    employees    : [id] ➞ Employee
    types        : [id] ➞ TestType
    nonClsTypes  : [id] ➞ NonClsType
    keyName      : [testId] ➞ TestKeyName
}
PocStore *-- "0..*" Order : orders
PocStore *-- "0..*" Customer : customers
PocStore *-- "0..*" Article : articles
PocStore *-- "0..*" Article : articles2
PocStore *-- "0..*" Producer : producers
PocStore *-- "0..*" Employee : employees
PocStore *-- "0..*" TestType : types
