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Oracle:表領域拡張関連メモ

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表領域拡張

SQL> desc dba_data_files;
名前                       NULL?    型
------------------------- -------- --------------
FILE_NAME                          VARCHAR2(513)
FILE_ID                            NUMBER
TABLESPACE_NAME                    VARCHAR2(30)
BYTES                              NUMBER
BLOCKS                             NUMBER
STATUS                             VARCHAR2(9)
RELATIVE_FNO                       NUMBER
AUTOEXTENSIBLE                     VARCHAR2(3)
MAXBYTES                           NUMBER
MAXBLOCKS                          NUMBER
INCREMENT_BY                       NUMBER
USER_BYTES                         NUMBER
USER_BLOCKS                        NUMBER
ONLINE_STATUS                      VARCHAR2(7)

SQL> select FILE_NAME from dba_data_files where TABLESPACE_NAME='tablespace_name';

FILE_NAME
----------------------------------------------------
/path/to/dbfile_name.dbf

SQL> alter database datafile '/path/to/dbfile_name.dbf' resize 128M;
データベースが変更されました。

一時表領域拡張

SQL> select NAME,BYTES from  v$tempfile;
NAME                                                BYTES
----------------------------------------------      ----------
/oradata/TESTDB/datafile/file_name.tmp              2213543936

SQL>  alter database tempfile '/oradata/TESTDB/datafile/file_name.tmp' resize 2560M;
データベースが変更されました。

SQL> select NAME,BYTES from  v$tempfile;
NAME                                                BYTES
----------------------------------------------      ----------
/oradata/TESTDB/datafile/file_name.tmp              2684354560

表領域自動拡張

SQL> alter database tempfile '/oradata/TESTDB/datafile/file_name.tmp' autoextend on maxsize 30G;
データベースが変更されました。

SQL> alter database tempfile '/oradata/TESTDB/datafile/file_name.tmp' autoextend off;
データベースが変更されました。
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