sql update left join 更新，字段内容分隔符提取

UPDATE a
   SET 
      
      [Province] =  parsename(replace([FullName],'-','.'),2) 

 from [dbo].[T_B_Emp] a
 left join [MLYY_MIS].[dbo].[T_B_Area] b on b.ID = a.AreaID

 

其中  parsename分隔符提取字段内容

如 XXX-XXX-XXXX