select substr(tbsp_name,1,20) as 表空间名称,substr(tbsp_content_type,1,10) as 表空间类型,sum(tbsp_total_size_kb)/1024/1024 as 表空间总大小(G),sum(tbsp_used_size_kb)/1024/1024 as 已经使用的表空间大小(G),sum(tbsp_free_size_kb)/1024/1024 as 剩余表空间大小(G),tbsp_page_size AS 页大小from S