model DeviceBrand {
  id   String @id @default(ulid())
  name String

  created_at DateTime @default(now()) @db.Timestamp(0)
  updated_at DateTime @updatedAt() @db.Timestamp(0)

  devices Device[]

  @@map("device_brands")
}

model Device {
  id         String  @id @default(ulid())
  name       String
  os_version String?

  created_at DateTime @default(now()) @db.Timestamp(0)
  updated_at DateTime @updatedAt() @db.Timestamp(0)

  brand_id String

  brand DeviceBrand @relation(fields: [brand_id], references: [id])
  poses Pos[]

  @@map("devices")
}