Execution Phase

Initializing Variables

At the beginning of the execution phase, the value of _N_ is 1. Because there are no data errors, the value of _ERROR_ is 0.
data work.update;
  set cert.invent;
  format CostPerUnit SalePrice dollar6.2;
Figure 7.6 Program Data Vector: Initializing Variables
Program Data Vector: Initializing Variables
The remaining variables are initialized to missing. Missing numeric values are represented by periods, and missing character values are represented by blanks.

SET Statement

The SET statement identifies the location of the input data set. Columns are added to the PDV in the ...

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