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erikTsomikFlag for United States of America

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Coldfusion and SQL

I have a table . I need only see the SSN whichare duplicate
Avatar of Guy Hengel [angelIII / a3]
Guy Hengel [angelIII / a3]
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select SSN from yourtable group by SSN having count(*) > 1
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ASKER

it returns NULL
ASKER CERTIFIED SOLUTION
Avatar of Guy Hengel [angelIII / a3]
Guy Hengel [angelIII / a3]
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