Answer to Question 1
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Answer to Question 2
An aggregated function is a calculation that returns a single value, calculated from multiple values in a column. Common aggregate functions include Average, Count, Maximum, Median, Minimum, Mode, and Sum.
How an aggregated function differs from a calculated field is that when you create a calculated field, you are calculating or summarizing data across a single row at a time. However, when you create an aggregated field, you are calculating or summarizing data across entire groups of rows. The word aggregate simply means a summative calculation, such as a total or average, or summarizing data.
Table 6.1 illustrates the main regime types and their differences. It breaks the regimes into four
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