身份证中间加*

 update [CTopicData].[dbo].[zt_SGS_ALL_s] set XK_FR_SFZH = REPLACE(XK_FR_SFZH,  SUBSTRING(XK_FR_SFZH,7,3),'***') where XK_XKJG_TYSHXYDM = '11520100009400254R'