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tablespace_name) B WHERE a. tablespace_name = B. tablespace_name Order by (a. bytes-B. bytes)/a. bytes) DESC; In the preceding SQL statement, there are two subqueries. The first query gets the total number of bytes in the tablespace, and the second query gets the number of bytes in the remainder of the tablespace, the final result is the number of bytes and percentage used. You can modify the size of a
When learning Oracle database infrastructure earlier, Oracle's storage structure was understood, logically, Oracle data was stored in tablespaces and physically stored in datafiles. A tablespace can only belong to one database (one database can include multiple tablespace), including 1 or more data files.
Case 4:recover DataFile --New table space, no backup, datafile deleted Recovery steps: From the library, through the v$recover_file to see the files that need to be recovered, because there is no backup, only the data file offline, data file reconstruction, and then recover datafile, online can (1) Simulation environment sql> Create
Tags: error:poi information control recover Glob started own variableCold Standby Manual Full recovery1. Manual full recovery of three levels:Recover database: All or most of the datafile are lost and are generally completed in the Mount state.Recover tablespace: Non-critical table space corruption, some data files under the table space can not be accessed, usually in open under the completion.Recover
After reading this article, I cannot delete it because of the bug of Oraclesoftware, that is, the bug of the program. Relativefileno and others of the datafile to be dropped After reading this article, I cannot delete it because of the bug of Oracle software, that is, the bug of the program. Relative file no of datafile to be dropped Reference: Cannot Drop E
When an empty datafile is deleted from tablespace, The ora-03262, tablespacedatafile Reference: Cannot Drop Empty Datafile From Tablespace ORA-03262 (Document ID 1353029.1) Applicable: Oracle Server-Enterprise Edition-Version: 11.2.0.2 and later [Release: 11.2 and later]Info
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Aug 22 12:49:55 2005 Copyright (c) 1982,200 2, Oracle Corporation. All rights reserved. SQL> conn/as sysdba Connected. SQL> alter tablespace ts_index add datafile 2 '/dev/rlvdata0318' size 4090; // The size is 4090 instead of 4096. If 4096 is all used, it is prone to errors. SQL>
1. view temporary tablespace (dba_temp_files view) (v _ $ tempfile view)Select tablespace_name, file_name, bytes/1024/1024 file_size, autoextensible from dba_temp_files;Select status, enabled, name, bytes/1024/1024 file_size from v _ $ tempfile; -- View by sys user 2. Reduce the size of the temporary tablespaceAlter database tempfile 'd: \ Oracle \ PRODUCT \ 10.2.0 \ ORADATA \ TELEMT \ TEMP01.DBF 'resize 10
1. view the temporary tablespace (dba_temp_files view) (v _ $ tempfile view) selecttablespace_name, file_name, bytes10241024file_size, au 1. view temporary tablespace (dba_temp_files view) (v _ $ tempfile view) select tablespace_name, file_name, bytes/1024/1024 file_size, au 1. view temporary tablespace (dba_temp_files view) (v _ $ tempfile view)Select table
/* Divided into four steps * // * Step 4: create a temporary tablespace */create temporary tablespace user_temp tempfile 'C: \ hy \ oracle \ product \ 10.2.0 \ tablespace \ user_temp.dbf 'size 50 m autoextend on next 50 m maxsize 20480 M extent management local;/* Step 4: create a data table space */create
Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui> 1, Run the following SQL statement to find the path of the data file that stores the tablespace: -- Sep 28,200 8Eleven. Xu SelectDDF. file_name From dba_data_files DDF Where DDF. tablespace_name = 'apps _ ts_tx_data' 2. log on to PL/SQL developer with system/Ma
Background:When a new table is created from the CREATE table in Oracle, the new table has a larger amount of data, such as 1 billion, when Sql*plus is likely to prompt "ORA-01653: ..." error message. This error message implies that the table space is not large enough and requires additional data files for the tablespace. Analysis:1. Query table space remaining byte sizeSELECT Tablespace_name, SUM (BYTES)/10
Oracle queries the usage of temporary tablespace: Select d. TABLESPACE_NAME, SPACE "SUM_SPACE (M)", BLOCKS SUM_BLOCKS, USED_SPACE "USED_SPACE (M)", ROUND (NVL (USED_SPACE, 0)/SPACE * 100,2) "USED_RATE (% )", NVL (FREE_SPACE, 0) "FREE_SPACE (M )" FROM (SELECT TABLESPACE_NAME, ROUND (SUM (BYTES)/(1024*1024), 2) SPACE, SUM (BLOCKS) BLOCKS FROM DBA_TEMP_FILES Group by TABLESPACE_NAME) D, (SELECT TABLESPACE_NAME
Data dictionary when dropping) 4. Test the preceding three points: www.2cto.com ①. create tablespace shanxi datafile '/u01/app/oracle/product/10.2.0/oradata/oamis/shanxi. dbf 'size 20 m extent management local uniform size 128 k; ② create a user. The default tablespace is shanxi create user fc identified by fc default
tablespace. Select tablespace_name, file_id, file_name, Round (bytes/(1024*1024), 0) total_space From dba_data_files Order by tablespace_name; 1. Add data files Alter tablespace test Add datafile '/oracle/oradata/db/test02.dbf' S
/ora10g/app/oracle/oradata/ora10g/test01.dbf ONLINE READ WRITE-- It is also OK to add a new data file:SQL> alter tablespace test add datafile '/u01/ora10g/app/oracle/oradata/ora10g/test02_ B .dbf' size 1 m;
with the table size. Large tables use small tables in large regions and small tables use cells. 6. Create tablespace sales: Create a tablespace named sales. The sales size is 800 m, the automatic growth step is 50 m, and the maximum space is 1000 m, Temporary indicates creating a temporary tablespace for dictionary management.Create
TABLESPACE_NAME; Note: if it is a temporary tablespace, query DBA_TEMP_FREE_SPACESELECT TABLESPACE_NAME, FREE_SPACE/1024/1024 as free space (M) FROM DBA_TEMP_FREE_SPACEWHERE TABLESPACE_NAME = ' tablespace_name'; 2. if you do not know the table space data file directory planning, you can first query all the table space data files SELECT TABLESPACE_NAME, FILE_ID, FILE_NAME, BYTES/1024/1024 as bytes (M) FROM DBA_DATA_FILESWHERE TABLESPACE_NAME = ' table
In oracle database, a datafile can be dropped, databasedatafile Refer to the mos article:Unable to Drop a Datafile From the Tablespace Using Alter Tablespace Command (Document ID 1050261.1) This datafile cannot be dropped because
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