The upper function converts each letter in a text value to uppercase.
Syntax
Returns
The specified text value with all the letters in uppercase.
The upper function only affects the alphabetical letters a-z. Numeric values are not converted to their Shift key equivalents.
Examples
Returns: DATAEASE
Returns: CANCUN
Returns the value in the LAST NAME field in uppercase type for every record processed. If a record contains the value Birnbaum in the LAST NAME field, the function returns BIRNBAUM.