- ----查詢表空間使用情況---
- SELECT UPPER(F.TABLESPACE_NAME) "表空間名",
- D.TOT_GROOTTE_MB "表空間大小(M)",
- D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空間(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 "空閒空間(M)",
- F.MAX_BYTES "最大塊(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;
----查詢表空間使用情況---
SELECT UPPER(F.TABLESPACE_NAME) "表空間名",
D.TOT_GROOTTE_MB "表空間大小(M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空間(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 "空閒空間(M)",
F.MAX_BYTES "最大塊(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;
- --查看錶空間是否具有自動擴展的能力
- SELECT T.TABLESPACE_NAME,D.FILE_NAME,
- D.AUTOEXTENSIBLE,D.BYTES,D.MAXBYTES,D.STATUS
- FROM DBA_TABLESPACES T,DBA_DATA_FILES D
- WHERE T.TABLESPACE_NAME =D.TABLESPACE_NAME
- ORDER BY TABLESPACE_NAME,FILE_NAME;
--查看錶空間是否具有自動擴展的能力
SELECT T.TABLESPACE_NAME,D.FILE_NAME,
D.AUTOEXTENSIBLE,D.BYTES,D.MAXBYTES,D.STATUS
FROM DBA_TABLESPACES T,DBA_DATA_FILES D
WHERE T.TABLESPACE_NAME =D.TABLESPACE_NAME
ORDER BY TABLESPACE_NAME,FILE_NAME;
- --修改表空間文件擴展方式:
- ALTER DATABASE
- DATAFILE '/u01/oracle/oradata/orcl/ccen01.dbf' AUTOEXTEND
- ON NEXT 50M MAXSIZE UNLIMITED
--修改表空間文件擴展方式:
ALTER DATABASE
DATAFILE '/u01/oracle/oradata/orcl/ccen01.dbf' AUTOEXTEND
ON NEXT 50M MAXSIZE UNLIMITED
1.開啓表空間擴展功能;
2.增大表空間的空間;
3.爲表空間加數據文件;