Question: Contrast the following terms: a. Horizontal partitioning; vertical partitioning b. Physical file; tablespace c. Normalization; denormalization d. Range control; null control e. Secondary key; primary

Contrast the following terms:
a. Horizontal partitioning; vertical partitioning
b. Physical file; tablespace
c. Normalization; denormalization
d. Range control; null control
e. Secondary key; primary key

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