Table of Contents

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  1. Preface
  2. Introduction to Dynamic Data Masking
  3. Rules
  4. Connection Rules
  5. Security Rules
  6. Security Rule Set Simulator
  7. Masking Functions
  8. Glossary

Wildcards

Wildcards

Use the percent sign (%) and the underscore character (_) to match parts of an incoming SQL statement.
The percent sign matches an undefined number of characters. The percent sign can match zero. The underscore character matches one character. The asterisk (*) is not a wildcard because it is a valid SQL syntax.