SQL Server中有两个系统存储过程,可以用来遍列数据库和数据库表,分别是SP_MSForEachDB和SP_MSForEachTable.
如要列出所有数据库文件的信息,可使用如下语句:
DECLARE @SQL varchar(1000)
SET @SQL=
'Use [' + '?' + ']
SELECT @@servername as ServerName,
' + '''' + '?' + '''' + ' AS DatabaseName,
CAST(sysfiles.size/128.0 AS int) AS FileSize,
sysfiles.name AS LogicalFileName,
sysfiles.filename AS PhysicalFileName,
CONVERT(sysname,DatabasePropertyEx(''?'',''Status'')) AS Status,
CONVERT(sysname,DatabasePropertyEx(''?'',''Updateability'')) AS Updateability,
CONVERT(sysname,DatabasePropertyEx(''?'',''Recovery'')) AS RecoveryMode,
CAST(sysfiles.size/128.0 - CAST(FILEPROPERTY(sysfiles.name, ' + '''' + 'SpaceUsed' + '''' + ' ) AS int)/128.0 AS int) AS FreeSpaceMB,
CAST(100 * (CAST (((sysfiles.size/128.0 -CAST(FILEPROPERTY(sysfiles.name, ' + '''' + 'SpaceUsed' + '''' + ' ) AS int)/128.0)/(sysfiles.size/128.0)) AS decimal(4,2))) AS varchar(8)) + ' + '''' + '%' + '''' + ' AS FreeSpacePct,
GETDATE() as PollDate
FROM dbo.sysfiles'
EXEC sp_MSforeachdb @SQL
如要列出当前数据库中用户表的磁盘使用情况,可使用如下语句:
DECLARE @SQL varchar(1000)
SET @SQL='EXEC sp_spaceused ''?'' '
EXEC sp_MSforeachtable @SQL