Oracle中查看表空间使用率的SQL脚本
/* 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;
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参与者:Rainbow Gu
地址:南都
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