Picture a core data model with images in it. These images are stored in an object called OImage. There are several other objects that 'contain' images, so they all have a one to many relationship with the OImage object. One example is the OLocation object from the image.Picture a core data model with images in it. Th
阅读背景：
XCode对丢失核心数据关系提出警告，但这真的很糟糕吗?
来源：互联网
分享到：
