!--a11y-->
com.sap.sql.CardinalityViolationException 
com.sap.sql. CardinalityViolationException extends java.sql.SQLException
The CardinalityViolationException class is a subclass of java.sql.SQLException that is used to indicate that a single row query returns a result set with more than one row. The SQLState value for every instance of CardinalityViolationException is "21000".