I hope the following will help
If it is a special character for a field , convert it into the UTF-8 Format-ASCII then Insert into DB .I basically parse the DCR and get the value and check for special character
Example :-
熱門王建民姓名學方志友台灣小綠- INTERWOVEN-人伊能靜(圖)張懸(影)毛孔粗大