DECLARE UpdateStatisticsTables CURSOR READ_ONLY FOR      SELECT sst.name,             Schema_name(sst.schema_id)      FROM   sys.tables sst      WHERE  sst.TYPE = ‘U‘    DECLARE @name   VARCHAR(80),            @schema VARCHAR(40)         OPEN UpdateStatisticsTables         FETCH NEXT FROM UpdateStatisticsTables INTO @name, @schema         WHILE ( @@FETCH_STATUS <> -1 )      BEGIN          IF ( @@FETCH_STATUS <> -2 )            BEGIN                    DECLARE @sql NVARCHAR(1024)            SET @sql=‘UPDATE STATISTICS ‘ + Quotename(@schema)                               +                               ‘.‘ + Quotename(@name)                      EXEC Sp_executesql @sql            END               FETCH NEXT FROM UpdateStatisticsTables INTO @name, @schema      END         CLOSE UpdateStatisticsTables         DEALLOCATE UpdateStatisticsTables         GO    

UPDATE STATISTICS tblCompany  -- 表名USE tblCompany; -- 数据库名EXEC sp_updatestats -- 更新所有表统计信息

SELECT    OBJECT_NAME(object_id) as objectname,    object_id AS objectid,    index_id AS indexid,    partition_number AS partitionnum,    avg_fragmentation_in_percent AS fraFROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL , NULL, ‘LIMITED‘)WHERE avg_fragmentation_in_percent > 10.0 AND index_id > 0;

SET NOCOUNT ON;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 fragINTO #work_to_doFROM 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 N‘Executed: ‘ + @command;    END; -- Close and deallocate the cursor.CLOSE partitions;DEALLOCATE partitions; -- Drop the temporary table.DROP TABLE #work_to_do;GO