PLS-00618: type mismatch found at string between operands in a NULLIF expression
Cause: In a NULLIF expression, the two 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 NULLIF expression, the two 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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