以常用到的省的数据表(province)为例,其中name字段为省的名称,SQL语句如下:
select isnull(b.py,upper(left(a.name,1))) as py
,a.name
from province
a
left outer join (
select 'A' as PY,N'驁' as word, N'啊' as sword
union select 'B',N'簿',N'驁'
union select 'C',N'錯',N'簿'
union select 'D',N'鵽',N'錯'
union select 'E',N'樲',N'鵽'
union select 'F',N'鰒',N'樲'
union select 'G',N'腂',N'鰒'
union select 'H',N'夻',N'腂'
union select 'J',N'攈',N'夻'
union select 'K',N'穒',N'攈'
union select 'L',N'鱳',N'穒'
union select 'M',N'旀',N'鱳'
union select 'N',N'桛',N'旀'
union select 'O',N'漚',N'桛'
union select 'P',N'曝',N'漚'
union select 'Q',N'囕',N'曝'
union select 'R',N'鶸',N'囕'
union select 'S',N'蜶',N'鶸'
union select 'T',N'籜',N'蜶'
union select 'W',N'鶩',N'籜'
union select 'X',N'鑂',N'鶩'
union select 'Y',N'韻',N'鑂'
union select 'Z',N'咗',N'韻'
) b on left(name,1) between b.sword and b.word order by name
其运行结果如下图: