Question: Complete this sentence: In the three - layer architecture, between the external layer and the conceptual / logical layer, there is . . . No

Complete this sentence: In the three-layer architecture, between the external layer and the conceptual/logical layer, there is...
No independence, they are basically the same thing
Logical data independence
Physical data independence
The internal layer
Complete this sentence: In the three-layer architecture, between the external layer

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