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1 2008 r2 襷 #set nocount on; set statistics io off declare @objectid int; declare @indexid int; declare @partitioncount bigint; declare @schemaname nvarchar(130); declare @objectname nvarchar(130); declare @indexname nvarchar(130); declare @partitionnum bigint; declare @partitions bigint; declare @frag float; declare @command nvarchar(4000); -- conditionally select tables and indexes from the sys.dm_db_index_physical_stats function -- and convert object and index ids to names. select object_id as objectid, index_id as indexid, partition_number as partitionnum, avg_fragmentation_in_percent as frag into #work_to_do from sys.dm_db_index_physical_stats (db_id(), null, null , null, 'limited') where avg_fragmentation_in_percent > 10.0 and index_id > 0; -- declare the cursor for the list of partitions to be processed. declare partitions cursor for select * from #work_to_do; -- open the cursor. open partitions; -- loop through the partitions. while (1=1) begin; fetch next from partitions into @objectid, @indexid, @partitionnum, @frag; if @@fetch_status < 0 break; select @objectname = quotename(o.name), @schemaname = quotename(s.name) from sys.objects as o join sys.schemas as s on s.schema_id = o.schema_id where o.object_id = @objectid; select @indexname = quotename(name) from sys.indexes where object_id = @objectid and index_id = @indexid; select @partitioncount = count (*) from sys.partitions where object_id = @objectid and index_id = @indexid; -- 30 is an arbitrary decision point at which to switch between reorganizing and rebuilding. if @frag < 30.0 set @command = N'alter index ' + @indexname + N' on ' + @schemaname + N'.' + @objectname + N' reorganize'; if @frag >= 30.0 set @command = N'alter index ' + @indexname + N' on ' + @schemaname + N'.' + @objectname + N' rebuild'; if @partitioncount > 1 set @command = @command + N' partition=' + cast(@partitionnum as nvarchar(10)); --exec (@command); print @command; end; -- close and deallocate the cursor. close partitions; deallocate partitions; -- drop the temporary table. drop table #work_to_do; go [edit]
2 2008 #http://www.mssqltips.com/tip.asp?tip=1367
DECLARE @Database VARCHAR(255) DECLARE @Table VARCHAR(255) DECLARE @cmd NVARCHAR(500) DECLARE @fillfactor INT SET @fillfactor = 90 DECLARE DatabaseCursor CURSOR FOR SELECT name FROM MASTER.dbo.sysdatabases WHERE name NOT IN ('master','msdb','tempdb','model','distribution') ORDER BY 1 OPEN DatabaseCursor FETCH NEXT FROM DatabaseCursor INTO @Database WHILE @@FETCH_STATUS = 0 BEGIN SET @cmd = 'DECLARE TableCursor CURSOR FOR SELECT ''['' + table_catalog + ''].['' + table_schema + ''].['' + table_name + '']'' as tableName FROM ' + @Database + '.INFORMATION_SCHEMA.TABLES WHERE table_type = ''BASE TABLE''' -- create table cursor EXEC (@cmd) OPEN TableCursor FETCH NEXT FROM TableCursor INTO @Table WHILE @@FETCH_STATUS = 0 BEGIN IF (@@MICROSOFTVERSION / POWER(2, 24) >= 9) BEGIN -- SQL 2005 or higher command SET @cmd = 'ALTER INDEX ALL ON ' + @Table + ' REBUILD WITH (FILLFACTOR = ' + CONVERT(VARCHAR(3),@fillfactor) + ')' EXEC (@cmd) END ELSE BEGIN -- SQL 2000 command DBCC DBREINDEX(@Table,' ',@fillfactor) END FETCH NEXT FROM TableCursor INTO @Table END CLOSE TableCursor DEALLOCATE TableCursor FETCH NEXT FROM DatabaseCursor INTO @Database END CLOSE DatabaseCursor DEALLOCATE DatabaseCursor [edit]
3 2005 #--碁煙 覦 譟郁覈 --碁煙 譟郁 15%伎 --伎 100 伎 -- 2005覯蟶.. set nocount on set statistics io off declare @tablename varchar(255) , @schemaname varchar(255) , @fill_factor varchar(3); set @fill_factor = '0'; if @fill_factor not between 1 and 100 set @fill_factor = '100'; if @@version like 'Microsoft SQL Server 2005%' begin --2005覯 declare tables cursor for SELECT TABLE_SCHEMA , TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' create table #fraglist2 ( database_id smallint NULL , object_id int NULL , index_id int NULL , partition_number int NULL , index_type_desc nvarchar(60) NULL , alloc_unit_type_desc nvarchar(60) NULL , index_depth tinyint NULL , index_level tinyint NULL , avg_fragmentation_in_percent float NULL , fragment_count bigint NULL , avg_fragment_size_in_pages float NULL , page_count bigint NULL , avg_page_space_used_in_percent float NULL , record_count bigint NULL , ghost_record_count bigint NULL , version_ghost_record_count bigint NULL , min_record_size_in_bytes int NULL , max_record_size_in_bytes int NULL , avg_record_size_in_bytes float NULL , forwarded_record_count bigint NULL ) create table #rs2 ( schema_name varchar(255) , database_id smallint NULL , object_id int NULL , index_id int NULL , partition_number int NULL , index_type_desc nvarchar(60) NULL , alloc_unit_type_desc nvarchar(60) NULL , index_depth tinyint NULL , index_level tinyint NULL , avg_fragmentation_in_percent float NULL , fragment_count bigint NULL , avg_fragment_size_in_pages float NULL , page_count bigint NULL , avg_page_space_used_in_percent float NULL , record_count bigint NULL , ghost_record_count bigint NULL , version_ghost_record_count bigint NULL , min_record_size_in_bytes int NULL , max_record_size_in_bytes int NULL , avg_record_size_in_bytes float NULL , forwarded_record_count bigint NULL ) open tables fetch next from tables into @schemaname, @tablename while @@fetch_status = 0 begin insert into #fraglist2 select * from sys.dm_db_index_physical_stats(db_id(), object_id(@schemaname + '.' + @tablename), null, null, null) insert into #rs2 select @schemaname, * from #fraglist2 truncate table #fraglist2 fetch next from tables into @schemaname, @tablename end select 企覈 , 碁煙る , [朱Μ 蟆 譟郁 ] , [蟆 伎] , case when 碁煙る <> '' then '' else '--' end + [碁煙れ ろ襴渚] [碁煙れ ろ襴渚] , case when 碁煙る <> '' then '' else '--' end + [碁煙れ^螳覈 ろ襴渚] [碁煙れ^螳覈 ろ襴渚] from ( select schema_name + '.' + object_name(object_id) 企覈 , (select name from sys.indexes where object_id = a.object_id and index_id = a.index_id) 碁煙る , page_count [蟆 伎] , cast(avg_fragmentation_in_percent as numeric(18,2)) [朱Μ 蟆 譟郁 ] , case when avg_fragmentation_in_percent > 15 and page_count > 100 then 'ALTER INDEX ' + b.index_name + ' ON ' + schema_name + '.' + object_name(object_id) + ' REBUILD WITH (FILLFACTOR = ' + @fill_factor + ');' else '' end [碁煙れ ろ襴渚] , case when avg_fragmentation_in_percent > 15 and page_count > 100 then 'ALTER INDEX ' + b.index_name + ' ON ' + schema_name + '.' + object_name(object_id) + ' REORGANIZE;' else '' end [碁煙れ^螳覈 ろ襴渚] from #rs2 a outer apply( select name index_name from sys.indexes where object_id = a.object_id and index_id = a.index_id ) b where object_name(object_id) not like 'sys%' and schema_name <> 'sys' and alloc_unit_type_desc = 'IN_ROW_DATA' ) t order by 1 drop table #fraglist2 drop table #rs2 close tables deallocate tables end else select @@version dbms_version, '2005覯 ' descriptions go
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