Which of the Following Is True of NoSQL Databases

question 57

Multiple Choice

Which of the following is true of NoSQL databases?

• A)They do not support distributed database architectures.
• B)They are not based on the relational model.
• C)They are geared toward transaction consistency rather
• D)They do not support very large amounts of than performance. sparse data.

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Definitions:

Variability

The degree to which observations in a dataset or statistical distribution vary from the mean and among themselves.

Range

The difference between the highest and lowest scores in a data set, reflecting the spread or dispersion of the scores.

Mean Deviation

The average of absolute differences between each value in a set and the mean of the set, indicating the dataset's dispersion.

Variability

The degree to which data points in a statistical distribution or data set differ from each other and from the mean.