ERROR | type mismatch found at string between CASE operand and WHEN operands |
CAUSE | In a simple CASE statement or expression, the CASE operand and WHEN operands do not match in datatype, and it is unclear which implicit conversion is required to correct the mismatch. |
ACTION | Change the CASE operand and WHEN operands so that their datatypes match. Consider using datatype conversion functions in the CASE operand and/or WHEN operands. |