Dirty data refers to data that contains erroneous information. It may also be used when referring to data that is in memory and not yet loaded into a database. The complete removal of dirty data from a source is impractical or virtually impossible.
The following data can be considered as dirty data:
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Integer (INT), derived from the Latin word for untouched, is a signed whole number that is positive, negative or zero. Integers are formed by natural numbers and their negatives, viewed as a subset of real numbers and written without decimal or fractional components. For example, 0, 3 and -56 are real numbers, while 5.8, 41/6 and 67 percent are...