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Checks whether a given string is a numerical digit.

Posted By:Abhisek Panda       Posted Date: December 28, 2009    Points: 10    Category: SQL Query    URL: http://www.dotnetspark.com  

The following query checks whether a given string is a numerical digit.

SELECT  DECODE(TRANSLATE('A','1234567890','1111111111'), '1','YES', 'NO' );

The output will be, NO
    Here we are passing A as the string which is not a numerical digit. If we pass a digit it will display YES as in case of the following example.

SELECT  DECODE(TRANSLATE('7','1234567890','1111111111'), '1','YES', 'NO' );



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