SQL SERVER 查询与整理索引碎片

重建索引

 use DATABASE_NAME;

 DECLARE @TableName VARCHAR(255)
 DECLARE @sql NVARCHAR(500)
 DECLARE @fillfactor INT
 SET @fillfactor = 80
 DECLARE TableCursor CURSOR FOR
 SELECT OBJECT_SCHEMA_NAME([object_id])+'.['+name+']' AS TableName
 FROM sys.tables w
 OPEN TableCursor
 FETCH NEXT FROM TableCursor INTO @TableName
 WHILE @@FETCH_STATUS = 0
 BEGIN
 SET @sql = 'ALTER INDEX ALL ON ' + @TableName + ' REBUILD WITH (ONLINE=off,FILLFACTOR=80);' --' REBUILD WITH (FILLFACTOR = ' + CONVERT(VARCHAR(3),@fillfactor) + ')'
 exec (@sql)
 FETCH NEXT FROM TableCursor INTO @TableName
 END
 CLOSE TableCursor
 DEALLOCATE TableCursor
 GO

查询索引碎片

use DATABASE_NAME;
SELECT dbschemas.[name] as 'Schema',
dbtables.[name] as 'Table',
dbindexes.[name] as 'Index',
indexstats.alloc_unit_type_desc,
indexstats.avg_fragmentation_in_percent,
indexstats.page_count
FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS indexstats
INNER JOIN sys.tables dbtables on dbtables.[object_id] = indexstats.[object_id]
INNER JOIN sys.schemas dbschemas on dbtables.[schema_id] = dbschemas.[schema_id]
INNER JOIN sys.indexes AS dbindexes ON dbindexes.[object_id] = indexstats.[object_id]
AND indexstats.index_id = dbindexes.index_id
WHERE indexstats.database_id = DB_ID() and dbindexes.[name] not like 'pk_%'
ORDER BY indexstats.avg_fragmentation_in_percent * page_count desc