What is the format for the variable Name in the data set Both after merging Employee and Sales?

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When merging datasets in SAS, particularly when dealing with character variables, it’s essential to understand how formats are applied. If the variable Name from either the Employee or Sales dataset was defined with a length of 10 characters in either dataset before the merge, the merged variable would adopt that length.

The format $CHAR10. specifically indicates that the variable is a character type with a maximum length of 10 characters. If the Name variable was originally defined as a character variable with a length of 10 in one of the source datasets, this format would be the most appropriate, as it matches the defined length exactly.

In contrast, not defining a format at all would not provide the necessary structure for the variable Name, leaving it open in terms of character length and presentation. The $CHAR. format lacks the specificity required to denote any particular size, while $CHAR15. indicates a larger length than would be necessary or defined. Therefore, among the options, $CHAR10. most accurately reflects the length and type for the Name variable post-merge, assuming it aligns with the characteristics of at least one of the original datasets.

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