oracle查看表空间使用率的sql

3ewsd

　　/* Formatted on 2012/5/31 14:51:13 (QP5 v5.185.11230.41888) */
　　SELECT D.TABLESPACE_NAME,
　　SPACE || 'M' "SUM_SPACE(M)",
　　BLOCKS "SUM_BLOCKS",
　　SPACE - NVL (FREE_SPACE, 0) || 'M' "USED_SPACE(M)",
　　ROUND ( (1 - NVL (FREE_SPACE, 0) / SPACE) * 100, 2) || '%'
　　"USED_RATE(%)",
　　FREE_SPACE || 'M' "FREE_SPACE(M)"
　　FROM ( SELECT TABLESPACE_NAME,
　　ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
　　SUM (BLOCKS) BLOCKS
　　FROM DBA_DATA_FILES
　　GROUP BY TABLESPACE_NAME) D,
　　( SELECT TABLESPACE_NAME,
　　ROUND (SUM (BYTES) / (1024 * 1024), 2) FREE_SPACE
　　FROM DBA_FREE_SPACE
　　GROUP BY TABLESPACE_NAME) F
　　WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
　　UNION ALL                              --如果有临时表空间
　　SELECT D.TABLESPACE_NAME,
　　SPACE || 'M' "SUM_SPACE(M)",
　　BLOCKS SUM_BLOCKS,
　　USED_SPACE || 'M' "USED_SPACE(M)",
　　ROUND (NVL (USED_SPACE, 0) / SPACE * 100, 2) || '%' "USED_RATE(%)",
　　NVL (FREE_SPACE, 0) || 'M' "FREE_SPACE(M)"
　　FROM ( SELECT TABLESPACE_NAME,
　　ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
　　SUM (BLOCKS) BLOCKS
　　FROM DBA_TEMP_FILES
　　GROUP BY TABLESPACE_NAME) D,
　　( SELECT TABLESPACE_NAME,
　　ROUND (SUM (BYTES_USED) / (1024 * 1024), 2) USED_SPACE,
　　ROUND (SUM (BYTES_FREE) / (1024 * 1024), 2) FREE_SPACE
　　FROM V$TEMP_SPACE_HEADER
　　GROUP BY TABLESPACE_NAME) F
　　WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
　　ORDER BY 1;