If a name appears in more than one dataview, panel, or level‑1 working or parameter data item, it must be qualified. Qualification ensures that a group or field is uniquely identified, even if the same name appears in another dataview, panel, or level‑1 data item. The same rule applies to data names put into working or parameter data using a COPY DVW clause.
The name is qualified by prefixing it with the appropriate dataview name, panel name, working data level‑1 name, or parameter data level‑1 name, and a period. For example, if fields named STATUS appear in both a dataview named EMPLOYEE and a dataview named PAYROLL, the fields must be identified as EMPLOYEE.STATUS and PAYROLL.STATUS.
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