//查询数据库各表占用空间的情况
drop table #t
create table #t(name varchar(255), rows bigint, reserved varchar(20), data varchar(20), index_size varchar(20), unused varchar(20))
exec sp_MSforeachtable "insert into #t exec sp_spaceused '?'"
select * from #t
//查询数据库各表的列表
select * from information_schema.tables
