Hierarchy of Data and AIS
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What is the hierarchy of data in databases? Provide an example relating to an accounting application.
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Solution Summary
Gives the six level hierarchy and gives an AIS example to help you absorb the idea.
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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 ...
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