查看oracle表空间大小

查看oracle表空间大小

SELECT UPPER(F.TABLESPACE_NAME) "表空间名",
       　　D.TOT_GROOTTE_MB "表空间大小(M)",
       　　D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
       　　TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) /
                         D.TOT_GROOTTE_MB * 100,
                         　　2),
                   　　 '990.99') "使用比",
       　　F.TOTAL_BYTES "空闲空间(M)",
       　　F.MAX_BYTES "最大块(M)" 　　FROM (SELECT TABLESPACE_NAME,
                                                    　　ROUND(SUM(BYTES) /
                                                              (1024 * 1024),
                                                              2) TOTAL_BYTES,
                                                    　　ROUND(MAX(BYTES) /
                                                              (1024 * 1024),
                                                              2) MAX_BYTES 　　FROM SYS.DBA_FREE_SPACE 　　GROUP BY TABLESPACE_NAME) F,
       　　 (SELECT DD.TABLESPACE_NAME,
                    　　ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB 　　FROM SYS.DBA_DATA_FILES DD 　　GROUP BY DD.TABLESPACE_NAME) D 　　WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME 　　ORDER BY 4 DESC

查询结果：

4 USERS 16384 145.56    0.89 16238.44 20.94
3 SYSTEM 4096 417.12   10.18 3678.88 3550
2 UNDO 128 117.12   91.50 10.88 0.63
1 SYSAUX 128 122.81   95.95 5.19 0.69