16进制与中文字符串的互换

SQL> 
SQL> Select    utl_raw.cast_to_raw('今天天气真好'),
  2            utl_raw.cast_to_varchar2( utl_raw.cast_to_raw('今天天气真好')) From dual
  3  
SQL> /
 
RAW_INFO                    SRC_INFO
--------------------------- ---------
BDF1CCECCCECC6F8D5E6BAC3    今天天气真好

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