create table BookLibary([图书馆] varchar(10),[科目] varchar(10),[数量] int)
insert into BookLibary
select 'A','语文',5
union all select 'B','数学',6
union all select 'C','英语',3
union all select 'B','语文', 4
union all select 'A','数学', 3
GO
select * from BookLibary
declare @execSql varchar(8000)
set @execSql='select [图书馆]'
select @execSql=@execSql+',max(case when [科目]='''+[科目]
+''' then [数量] else '''' end) as '''+ [科目]
+ '''' from BookLibary group by [科目]
set @execSql=@execSql+'from BookLibary group by [图书馆]'
print @execSql
exec(@execSql)
select [图书馆],
max(case when [科目]='数学' then [数量] else '' end) as '数学',
max(case when [科目]='英语' then [数量] else '' end) as '英语',
max(case when [科目]='语文' then [数量] else '' end) as '语文'
from BookLibary group by [图书馆]