5. Working with QBF Operations : QBF Retrieve Operation : Search Qualifications : % and _ Pattern-Matching Characters
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% and _ Pattern-Matching Characters
You can choose to use the underscore (_) and percent sign (%) pattern-matching characters in place of the ? and * characters. The underscore is equivalent to the question mark and the percent sign is equivalent to the asterisk. To specify these pattern-matching characters, use the II_PATTERN_MATCH environment variable/logical as explained in the System Administrator Guide.