-- 查询所有表名
select name from sys.tables;
select name from sysobjects where xtype = ‘u‘;

-- 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 a.name, b.rows desc;

-- 查询所有的表名及空间占用量/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;