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Hierarchy of Data and AIS

What is the hierarchy of data in databases? Provide an example relating to an accounting application.

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The typical hierarchy has six levels. First, the lowest is the bit which is how data is stored on a computer (0 or 1). The next level is the byte which is a group of eight bits. The grouping represents a character such as the letter B. The next level is the data field which is a group of characters such as the date of hire or name of an employee. This has perhaps the date of hire for an ...

Solution Summary

Gives the six level hierarchy and gives an AIS example to help you absorb the idea.

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