Question: Contrast the following terms: a. Horizontal partitioning; vertical partitioning b. Repository; data dictionary c. Physical file; tablespace d. Before image; after image e. Normalization; denormalization

Contrast the following terms:

a. Horizontal partitioning; vertical partitioning
b. Repository; data dictionary
c. Physical file; tablespace
d. Before image; after image
e. Normalization; denormalization
f. Range control; null control
g. Transaction log; database change log
h. Secondary key; primary key
i. Rollback; roll forward

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Contrast the following terms a Horizontal partitioning vertical partitioning Horizontal partitioning separates rows of a logical relation into separate tables Horizontal partitioning is very similar t... View full answer

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