查数据库中的表,了解大体结构

SELECT TOP 100 Percent
   sysobjects.name,
   sysindexes.rows
 FROM sysindexes with(nolock)
   JOIN sysobjects with(nolock)
    ON sysindexes.id = sysobjects.id AND sysobjects.xtype = 'u'
WHERE sysindexes.indid in(0, 1) 
order by rows desc
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