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Label:Refer to MOS article:Unable to Drop a datafile from the tablespace Using Alter tablespace Command (document ID 1050261.1)Any of the following conditions cannot be datafile by a drop1) must be empty, otherwise it will be reported: Ora-03262:the file is non-empty. It is important to note that the meaning of non-emp
. The MT table Creates 12 partitions in tbs_mt_2012 based on the monthly partition method. You can manage these data files on your own later. When the tablespace is not enough, you can manually add data files (set the location by yourself). When the tablespace is exceeded, You can resize any of the data files.
Create a tables
Conditions in Oracle databases where a datafile can be dropped
Conditions in Oracle databases where a datafile can be dropped
Refer to the mos article:Unable to Drop a Datafile From the Tablespace Using Alter
another.
In the above example, if the host src1 runs on Linux (low address low byte order) while the target host tgt1 runs on the HP-UX (low address high byte order ), then you need to introduce another step between Step 1 and Step 2 for conversion. With rman, you will convert the data file from Linux to the HP-UX format on the source computer src1 (assuming you have changed the tablespace to read-only): bitscn. Net China Network Administrator blo
A similar warning was found while looking at a client's database recovery log (File #N is offline, but was part of a online tablespace.), not previously noticed, this time by experimenting to reproduce the contentCreate a table spacesql> Create tablespace readonly datafile '/home/oracle/.oradata/test/readonly01.dbf ' s
1. DUMP DatafileBlock example
There are three types of SCN in a data block of Oracle: The Block header SCN, the CSC (cleanout SCN) and the commit SCN recorded in ITL. If we want to view the content of a block or some blocks, we can dump these blocks to view them.
The dump method is described in the previous article:
Oracle rdba and dba description
Effece ITL (Interested Transaction List) Description
Query
zone automatically managed by the Oracle system. This is the default setting. Segment management method-LMT method. In addition to specifying the partition allocation method, you can also specify the segment management method. The section space management mode is mainly used by Oracle to manage used data blocks and idle data blocks in the Section. There are two types: MANUAL-
\P201507.dbf 'Size 50mAutoextend onNext 50m maxsize 20480mExtent management Local;
--STEP2: Create an index and specify the table space
CREATE INDEX Idx_vehiclepass_com3On Traffic_vehicle_pass (Plate_no, Pass_time, crossing_id) tablespace P201507; --Specify Tablespace for index
-----Case Three: Modify the size of the table space after the Oracle
). Local Management of tablespaces (LMT: Local Managed Tablespace. After 9i, you can only create local-managed tablespaces.Create tablespace test datafile 'd: \ TEST01.dbf 'size 5 M EXTENT MANAGEMENT DICTIONARYCreate tablespace test datafile 'd: \ TEST01.dbf 'size 5 m exten
1. DUMP DatafileBlock example
There are three types of SCN in a data block of Oracle: The Block header SCN, the CSC (cleanout SCN) and the commit SCN recorded in ITL. If we want to view the content of a block or some blocks, we can dump these blocks to view them.
The dump method is described in the previous blog:
Oracle rdba and dba descriptionInclueitl (Interested Transaction List) Description
Query the co
1. First query free space
select tablespace_name,file_id,block_id,bytes,blocks from dba_free_space;
2. Add Oracle tablespace
First, query the data file name, size, and path information. The statement is as follows:
select tablespace_name,file_id,bytes,file_name from dba_data_files;
3. The statement for modifying the file size is as follows:
Alter database
.dbffile#----------NAME--------------------------------------------------------------------------------4/u01/app/oracle/oradata/orcl/users01.dbf5/u01/app/oracle/oradata/orcl/example01.dbf6/u01/app/oracle/product/10.2.0/db_1/dbs/missing00006
Solution:Look at the MISSING00006 based on that tablespace and then delete the
This article is transferred from:Http://blog.csdn.net/tianlesoftware/article/details/7084700. table Space Description
In Oracle9i, if you do not use the default tablespace clause, all users will use the system tablespace as their default tablespace. You cannot specify a default tablespace for the database.
The database
Create a tablespace user in Oracle (Code tutorial) and create a tablespace in oracleI. tablespace
Temporary tablespace
Example of creating a temporary tablespace
Create temporary tablespace
, sum (bytes) b2 from dba_data_files group by tablespace_name) B,(Select tablespace_name c1, contents c2, extent_management c3 from dba_tablespaces) cWhere a. a1 = B. b1 and c. c1 = B. b1;
SelectB. file_name physical file name,B. tablespace_name tablespace,B. bytes/1024/1024 size M,(B. bytes-sum (nvl (a. bytes, 0)/1024/1024 M used,Substr (B. bytes-sum (nvl (a. bytes, 0)/(B. bytes) *, 1, 5) UtilizationFrom dba_free_space a, dba_data_files BWhere a. fil
Environment: DB version Oracle database 12c Enterprise Edition release 12.2.0.1.0-64bit ProductionExperiment Preparation:1.--Database Archiving modeSql> select Name,log_mode from V$database;NAME Log_mode--------- ------------ANDYCDB ARCHIVELOG > Database archiving mode2.--Log In the PDB creates the experimental table space with the user[Email protected] ~]$ sqlplus sys/[email protected]:1521/pdb01 as SysdbaSql>Create
FROM DBA_DATA_FILES
Order by TABLESPACE_NAME;
1. Add data files
ALTER TABLESPACE GAME
Add datafile '/ORACLE/ORADATA/DB/game02.dbf' SIZE 1000 M;
2. manually add data file size
Alter database
Six minutes to learn how to create an Oracle tablespace. After a long time to learn how to create an Oracle tablespace, I would like to share it with you. After reading this article, you will certainly have a lot of GAINS. I hope this article will teach you more. Www.2cto.com 1. First query the idle space select tables
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