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PLS-00620: type mismatch found at 'string' among operands in
a COALESCE expression



PLS-00620: type mismatch found at 'string' among operands in a COALESCE expression..

Answer / guest

Cause: In a COALESCE expression, the operands do not match
in datatype, and it is unclear which implicit conversion is
required to correct the mismatch.

Action: Change the operands so that their datatypes match.
Consider using datatype conversion functions in the operands.

Please add more information about this Error

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