Oracle 查看表空间使用情况的SQL语言
Oracle 查看表空间使用情况的SQL语言,行内人士读读就明白了了。
- 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;
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