use master go if object_id('sp_RefreshIndex') Is not null     Drop Proc sp_RefreshIndex Go create proc sp_RefreshIndex (     @Reorganize_Fragmentation_Percent    smallint = 5    -- 当逻辑碎片百分比 > 5%  重新组织索引     ,@Rebuild_Fragmentation_Percent        smallint = 30    -- 当逻辑碎片百分比 > 30% 重新生成索引 ) as begin     /* 调用方法： .针对当前实例所有数据库：    exec sys.sp_MSforeachdb 'use ?;exec sp_RefreshIndex' .针对当前数据库：            exec sp_RefreshIndex     */     --对系统数据库不作重新组织索引和重新生成索引     if (db_name() in ('master','model','msdb','tempdb')) return;        --如果逻辑碎片（索引中的无序页）的百分比 <= 5% ，就不作重新组织索引和重新生成索引     if not exists(select 1 from sys.dm_db_index_physical_stats(db_id(),null,null,null,null) a where a.index_id>0 and a.avg_fragmentation_in_percent > @Reorganize_Fragmentation_Percent) return         print replicate('-',60)+char(13)+char(10)+replicate(' ',14)+N'对数据库 '+quotename(db_name())+N' 进行索引优化'+replicate(' ',20)+char(13)+char(10)        declare @sql nvarchar(2000),@str nvarchar(2000)     declare cur_x cursor for         select 'alter index '+quotename(a.name)+' on '+quotename(object_schema_name(a.object_id))+'.'+quotename(object_name(a.object_id))+case when b.avg_fragmentation_in_percent<=@Rebuild_Fragmentation_Percent then ' reorganize;'else ' rebuild;'end as [sql]                 ,case when b.avg_fragmentation_in_percent<=@Rebuild_Fragmentation_Percent then N'重新组织索引：' else N'重新生成索引：'end +quotename(object_schema_name(a.object_id))+'.'+quotename(object_name(a.object_id))+'.'+quotename(a.name) as [str]             from sys.indexes a                 inner join sys.dm_db_index_physical_stats(db_id(),null,null,null,null) b on b.object_id=a.object_id                     and b.index_id=a.index_id                where a.index_id>0                    and b.avg_fragmentation_in_percent > @Reorganize_Fragmentation_Percent             order by object_name(a.object_id),a.index_id     open cur_x     fetch next from cur_x into @sql,@str        while (@@fetch_status = 0)     begin         exec(@sql)         print @str         fetch next from cur_x into @sql,@str        end     close cur_x     deallocate cur_x end go exec sp_ms_marksystemobject 'sp_RefreshIndex' go

use master go exec sys.sp_MSforeachdb 'use ?;exec sp_RefreshIndex' go