创建一个数据库，并将图像作为智能二进制大对象保存。

Create a database and store images in it as smart blobs.

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即使当为集合视图提取的对象在内存中时，图像对象（连同其二进制图像数据）也可以保持故障，从而不在内存中。

The image object (along with its binary image data) can then be kept a fault, and thus not in memory, even when the object you fetch for the collection view is in memory.

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媒体资源-为二进制数据的二进制大型对象数据，如视频、音频、图像或其他媒体资源。

Media resource - the binary large object data that is binary data, such as a video, audio, image or other media resources.

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媒体资源-为二进制数据的二进制大型对象数据，如视频、音频、图像或其他媒体资源。

Media resource - the binary large object data that is binary data, such as a video, audio, image or other media resources.

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