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What Is SQL? Why Is It So Important for DBMS

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What is SQL? Why is it so important for DBMS? Give an example.


Definitions:

Maximum Allowable Error

The largest error that is considered acceptable in the calculation or measurement process.

Test Statistic

A value calculated from sample data that is used to test a hypothesis in statistics.

Normal

A type of statistical distribution where data is symmetrically distributed around the mean, known as the Gaussian distribution.

Confidence Interval

A range of values derived from sample statistics that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

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