Numerous functions are built into the DAL calculation language. These functions let you apply operations to form set objects, to previously calculated target variables, to constants, or to any combination of the three. The functions fall into these categories:
Some functions may be applicable to more than one category. Each function, however, will only be discussed once in the category that best describes it.
Each category has a table listing the functions. The table lists and briefly describes each function. Use the table to quickly scan the available functions. Each function is discussed in detail in alphabetical order at the end of this chapter.
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