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 Originally Posted by prodadmin
column1 is a datatype number
Not after you've wrapped in in SubStr() it isn't, even if it is stored as a number in the database. Run DESCRIBE on the table to see what it really is, and if you want to use a numberic format on that column either embed it in a to_char() or leave it alone and use COLUMN to format it. My preference would be the latter
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