ORA-01722 invalid number
What causes an ORA-01722 error?
The attempted conversion of a character string to a number failed because the character string was not a valid numeric literal. Only numeric fields or character fields containing numeric data may be used in arithmetic functions or expressions. Only numeric fields may be added to or subtracted from dates.
How Xynomix can help
Check the character strings in the function or expression. Check that they contain only numbers, a sign, a decimal point, and the character “E” or “e” and retry the operation.
Contact us for more information. To learn more about ways we can support your database visit our Oracle database consultancy page.
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