--查询所有表名

select name from sysobjects where xtype='u'
select * from sys.tables

--查询所有表名及对应架构

select t.[name] as tablename, s.[name] as [schema] from sys.tables as t,sys.schemas as s where t.schema_id = s.schema_id

--查询数据库中所有的表名及行数

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

--查询所有的标明及空间占用量\行数

select
object_name(id) tablename,
8*reserved/1024 reserved,
rtrim(8*dpages)+'kb' used,
8*(reserved-dpages)/1024 unused,
8*dpages/1024-rows/1024*minlen/1024 free,
rows

--,*

from sysindexes
where indid=1
order by tablename,reserved desc