怎么看表空间还有多少可利用?
如:
Select Tablespace_Name,Sum(bytes)/1024/1024 From Dba_Segments Group By Tablespace_Name
TABLESPACE_NAME SUM(BYTES)/1024/1024
------------------------------ --------------------
RBS 4.44335938
SYSTEM 26.6367188
TOOLS 1.7578125
USERS .25390625
查询出来到底有多少表空间是可以利用的,看不懂!