--查看每张表的占用空间及行数
SELECT
db_name() as DbName,
t.NAME AS TableName,
s.Name AS SchemaName,
p.rows AS RowCounts,
SUM(a.total_pages) * 8 AS TotalSpaceKB,
CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS 总共占用空间MB,
SUM(a.used_pages) * 8 AS UsedSpaceKB,
CAST(ROUND(((SUM(a.used_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS UsedSpaceMB,
(SUM(a.total_pages) - SUM(a.used_pages)) * 8 AS UnusedSpaceKB,
CAST(ROUND(((SUM(a.total_pages) - SUM(a.used_pages)) * 8) / 1024.00, 2) AS NUMERIC(36, 2)) AS UnusedSpaceMB
FROM
sys.tables t
INNER JOIN
sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN
sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
LEFT OUTER JOIN
sys.schemas s ON t.schema_id = s.schema_id
WHERE
t.NAME NOT LIKE 'dt%'
AND t.is_ms_shipped = 0
AND i.OBJECT_ID > 0
GROUP BY
t.Name, s.Name, p.Rows
ORDER BY
总共占用空间MB desc
--查看数据库使用率
exec sp_spaceused
--unallocated space就是剩余空间
--查询表每个索引的大小
SELECT
i.name AS IndexName,
SUM(s.used_page_count) * 8 AS IndexSizeKB
FROM sys.dm_db_partition_stats AS s
JOIN sys.indexes AS i
ON s.[object_id] = i.[object_id] AND s.index_id = i.index_id
WHERE s.[object_id] = object_id('dbo.TableName')
GROUP BY i.name
ORDER BY i.name
--查看堆表及超过10w行的
select * from (
SELECT tables.NAME,
(SELECT rows
FROM sys.partitions
WHERE object_id = tables.object_id
AND index_id = 0 -- 0 is for heap
-- 1 is for clustered index
And rows >=100000
)AS numberofrows
FROM db_tank.sys.tables tables
WHERE Objectproperty(tables.object_id, N'TableHasClustIndex') = 0
)t where numberofrows is not null
--查看表的数据行
SELECT a.name, b.rows
FROM sysobjects AS a INNER JOIN
sysindexes AS b ON a.id = b.id
WHERE (a.type = 'u') AND (b.indid IN (0, 1))
ORDER BY b.rows DESC
sqlserver查看空间使用情况
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转载自blog.csdn.net/qq_38892977/article/details/120041679
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