表空間使用情況

查看錶空間使用情況：

SELECT A.TABLESPACE_NAME TABLESPACE_NAME, NVL(CEIL((1 - B.FREE / A.TOTAL) * 100),
            100) "usage_of_tablespace%", NVL(B.FREE, 0) "left_space(M)", C.EXTENT_MANAGEMENT "Extent_management"
FROM   (SELECT TABLESPACE_NAME, SUM(NVL(BYTES, 0)) / 1024 / 1024 TOTAL
         FROM   DBA_DATA_FILES
         GROUP  BY TABLESPACE_NAME) A, (SELECT TABLESPACE_NAME, SUM(NVL(BYTES, 0)) / 1024 / 1024 FREE
         FROM   DBA_FREE_SPACE
         GROUP  BY TABLESPACE_NAME) B, DBA_TABLESPACES C
WHERE  A.TABLESPACE_NAME = C.TABLESPACE_NAME AND
       C.TABLESPACE_NAME = B.TABLESPACE_NAME(+);

查看錶空間使用情況：

SELECT A.TABLESPACE_NAME 表空間名, NVL(CEIL((1 - B.FREE / A.TOTAL) * 100),
            100) "使用佔比%", NVL(B.FREE, 0) "剩餘空間(M)", C.EXTENT_MANAGEMENT "Extent_management"
FROM   (SELECT TABLESPACE_NAME, SUM(NVL(BYTES, 0)) / 1024 / 1024 TOTAL
         FROM   DBA_DATA_FILES
         GROUP  BY TABLESPACE_NAME) A, (SELECT TABLESPACE_NAME, SUM(NVL(BYTES, 0)) / 1024 / 1024 FREE
         FROM   DBA_FREE_SPACE
         GROUP  BY TABLESPACE_NAME) B, DBA_TABLESPACES C
WHERE  A.TABLESPACE_NAME = C.TABLESPACE_NAME AND
       C.TABLESPACE_NAME = B.TABLESPACE_NAME(+);

查看錶空間使用情況：

SELECT FILE_ID, FILE_NAME, TABLESPACE_NAME, STATUS, BYTES / 1024 / 1024 AS "bytes MB"
FROM   DBA_DATA_FILES

查看錶空間使用情況：

SELECT TBS 表空間名, SUM(TOTALM) 總共大小M, SUM(USEDM) 已使用空間M, SUM(REMAINEDM) 剩餘空間M, SUM(USEDM) / SUM(TOTALM) * 100 已使用百分比, SUM(REMAINEDM) / SUM(TOTALM) * 100 剩餘百分比 
FROM (
     SELECT B.FILE_ID ID, B.TABLESPACE_NAME TBS, B.FILE_NAME NAME, B.BYTES / 1024 / 1024 TOTALM, (B.BYTES - SUM(NVL(A.BYTES, 0))) / 1024 / 1024 USEDM, SUM(NVL(A.BYTES, 0) / 1024 / 1024) REMAINEDM, SUM(NVL(A.BYTES,  0) / (B.BYTES) * 100), (100 - (SUM(NVL(A.BYTES, 0)) /  (B.BYTES) * 100))
     FROM   DBA_FREE_SPACE A, DBA_DATA_FILES B
     WHERE  A.FILE_ID =  B.FILE_ID GROUP  BY B.TABLESPACE_NAME, B.FILE_NAME, B.FILE_ID, B.BYTES
     ORDER  BY B.TABLESPACE_NAME
) GROUP BY TBS

SYSTEM 460m 改爲1000m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\GEODB\SYSTEM01.DBF'RESIZE 1000m

SYSAUX 420m 改爲1000m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\GEODB\SYSAUX01.DBF'RESIZE 1000m

UNDOTBS1 460m 改爲1000m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\GEODB\SYSTEM01.DBF'RESIZE 1000m

SXGEOINFO 460m 改爲100m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\SXGEOINFO.ORA'RESIZE 100m

USERS 6.25m 改爲 10m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\GEODB\USERS01.DBF'RESIZE 10m

SYSTEM 460m 改爲1000m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\GEODB\SYSTEM01.DBF'RESIZE 1000m

GISDB 100m 改爲300m

ALTER DATABASE DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\GISDB3.ORA'RESIZE 100m

–查看錶空間使用情況：

SELECT A.TABLESPACE_NAME "表空間名",
       
       TOTAL "表空間大小",
       
       FREE "表空間剩餘大小",
       
       (TOTAL - FREE) "表空間使用大小",
       
       TOTAL / (1024 * 1024 * 1024) "表空間大小(G)",
       
       FREE / (1024 * 1024 * 1024) "表空間剩餘大小(G)",
       
       (TOTAL - FREE) / (1024 * 1024 * 1024) "表空間使用大小(G)",
       
       ROUND((TOTAL - FREE) / TOTAL, 4) * 100 "使用率 %"

FROM   (SELECT TABLESPACE_NAME, SUM(BYTES) FREE
         
         FROM   DBA_FREE_SPACE
         
         GROUP  BY TABLESPACE_NAME) A,
       
       (SELECT TABLESPACE_NAME, SUM(BYTES) TOTAL

         FROM   DBA_DATA_FILES

         GROUP  BY TABLESPACE_NAME) B
WHERE  A.TABLESPACE_NAME = B.TABLESPACE_NAME;