ora-64203:Destination buffer too small to hold CLOB data after character set conversion.

ora-64203:Destination buffer too small to hold CLOB data after character set conversion.

拼接字符串時過長引起，報緩沖區太小錯誤

SELECT WM_CONCAT(field_A|| field_b)
FROM table_A
WHERE field_A= ADDRESS.field_A and rownum<10

加上條件限制，讓拼接出來的字符串不超長就可以了。