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oracle 改redo表空間,Oracle臨時表空間檢視、添加臨時表空間資料檔案、修改預設臨時表空間 方法!...

--查表空間使用率情況(含臨時表空間)

SELECT d.tablespace_name "Name", d.status "Status",

TO_CHAR (NVL (a.BYTES / 1024 / 1024, 0), '99,999,990.90') "Size (M)",

TO_CHAR (NVL (a.BYTES - NVL (f.BYTES, 0), 0) / 1024 / 1024,

'99999999.99'

) USE,

TO_CHAR (NVL ((a.BYTES - NVL (f.BYTES, 0)) / a.BYTES * 100, 0),

'990.00'

) "Used %"

FROM SYS.dba_tablespaces d,

(SELECT   tablespace_name, SUM (BYTES) BYTES

FROM dba_data_files

GROUP BY tablespace_name) a,

(SELECT   tablespace_name, SUM (BYTES) BYTES

FROM dba_free_space

GROUP BY tablespace_name) f

WHERE d.tablespace_name = a.tablespace_name(+)

AND d.tablespace_name = f.tablespace_name(+)

AND NOT (d.extent_management LIKE 'LOCAL' AND d.CONTENTS LIKE 'TEMPORARY')

UNION ALL

SELECT d.tablespace_name "Name", d.status "Status",

TO_CHAR (NVL (a.BYTES / 1024 / 1024, 0), '99,999,990.90') "Size (M)",

TO_CHAR (NVL (t.BYTES, 0) / 1024 / 1024, '99999999.99') USE,

TO_CHAR (NVL (t.BYTES / a.BYTES * 100, 0), '990.00') "Used %"

FROM SYS.dba_tablespaces d,

(SELECT   tablespace_name, SUM (BYTES) BYTES

FROM dba_temp_files

GROUP BY tablespace_name) a,

(SELECT   tablespace_name, SUM (bytes_cached) BYTES

FROM v$temp_extent_pool

GROUP BY tablespace_name) t

WHERE d.tablespace_name = a.tablespace_name(+)

AND d.tablespace_name = t.tablespace_name(+)

AND d.extent_management LIKE 'LOCAL'

AND d.CONTENTS LIKE 'TEMPORARY';

1. 查詢表空間剩餘位元組大小SELECT TABLESPACE_NAME, SUM(BYTES)/1024/1024 AS "FREE SPACE(M)"

FROM DBA_FREE_SPACE

WHERE TABLESPACE_NAME = '&tablespace_name'

GROUP BY TABLESPACE_NAME;注:如果是臨時表空間,請查詢DBA_TEMP_FREE_SPACESELECT TABLESPACE_NAME, FREE_SPACE/1024/1024 AS "FREE SPACE(M)"

FROM DBA_TEMP_FREE_SPACE

WHERE TABLESPACE_NAME = '&tablespace_name';