1 ‘‘按多个字段排序 2 Select * From Job order by job desc,id asc 3  4 ‘‘按首字符(非数字)排序 5 Select * From Job order by case when isnumeric(left(jobno,1))=0 6 Then left(jobno,1) end 7  8 ‘‘按首字符分组 9 Select count(jobno) From Job group by left(jobno,1)10 11 ‘‘合并Order by排序语句12 SELECT * FROM13 (Select TOP 200000 * From Job Where  jobno not like ‘[0-9]%‘ order by Jobno desc) A14 UNION ALL15 SELECT * FROM 16 (Select TOP 200000 * From Job Where  jobno like ‘[0-9]%‘ order by ID desc) B