数据库信息 （表名 行数 堆 集群 非聚集）的查询

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 * Time: 2010-10-07 13:23:32

 * 找出有索引的表信息（表名行数堆集群非聚集）

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WITH cte AS 
(
    SELECT table_name = o.name,
           o.[object_id],
           i.index_id,
           i.type,
           i.type_desc
    FROM   sys.indexes i
           INNER JOIN sys.objects o
                ON  i.[object_id] = o.[object_id]
    WHERE  o.type IN ('U')
           AND o.is_ms_shipped = 0
           AND i.is_disabled = 0
           AND i.is_hypothetical = 0
           AND i.type <= 2
), cte2 AS 
(
    SELECT *
    FROM   cte c 
           PIVOT(
               COUNT(TYPE) FOR type_desc IN ([HEAP], [CLUSTERED], [NONCLUSTERED])
           ) pv
) 
SELECT c2.table_name,
       [rows] = MAX(p.rows),
       is_heap = SUM([HEAP]),
       is_clustered = SUM([CLUSTERED]),
       num_of_nonclustered = SUM([NONCLUSTERED])
FROM   cte2 c2
       INNER JOIN sys.partitions p
            ON  c2.[object_id] = p.[object_id]
            AND c2.index_id = p.index_id
GROUP BY
       table_name

--没有索引的表

SELECT NAME
FROM   sys.tables
WHERE  OBJECTPROPERTY(OBJECT_ID, 'TableHasIndex') = 0

问题：

            'pivot' 附近有语法错误。您可能需要将当前数据库的兼容级别设置为更高的值，以启用此功能

解决：

             EXEC sp_dbcmptlevel stat ,90          --stat 为数据库名称