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