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Pattern-matching conditions

A pattern-matching operator searches a string for a pattern specified in the conditional expression and returns true or false depending on whether it finds a match. AWS Clean Rooms Spark SQL uses the following methods for pattern matching:

  • LIKE expressions

    The LIKE operator compares a string expression, such as a column name, with a pattern that uses the wildcard characters % (percent) and _ (underscore). LIKE pattern matching always covers the entire string. LIKE performs a case-sensitive match.

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