oracle add datafile to tablespace

but also UNDO tablespaces to manage UNDO data. the planning and management of rollback segments are complex. All oracle databases have completely discarded 10 Gb of rollback segments. the UNDO tablespace is used to manage UNDO data. 1. view the system disk statusAIX:/> df-g (Linux: df-h)Filesystem GB blocks Free % Used Iused % Iused Mounted on/Dev/undolv 30.00 0.00 100% 9 1%/u01/app/u01/app/

. file_name from dba_data_files T;Select * from V $ datafile // Query the database data file and tablespace Information 18. Select T. Name, T. value from V $ parameter t where T. Name = 'db _ block_size'Show parameter db_block_size // Query the size of the data block db_block_size 19. Select T. tablespace_name, T. file_id, T. block_id, T. bytes, T. blocks from dba_free_space T; // Query the table space usag

Label:One is to add data files to the tablespace, and the following SQL statements are performed under the database administrator Sysman User: create tablespace lzs datafile ' d:\ORACLE\PRODUCT\10.2.0\ oradata\orcl\lzs.dbf ' size 2048M; Create

(Linux: df-h)Filesystem GB blocks Free % Used Iused % Iused Mounted on/Dev/undolv 30.00 0.00 100% 9 1%/u01/app/u01/app/oracle/undo 2. view the table space share of the Oracle databaseSelect a. tablespace_name,Round (a. maxbytes/1024/1024), 2) "sum MB ",Round (a. bytes/1024/1024), 2) "datafile MB ",Round (a. bytes-B. bytes)/1024/1024), 2) "used MB ",Round (a. max

/APP/Oracle/undo 2. view the table space share of the Oracle databaseSelect a. tablespace_name,Round (A. maxbytes/1024/1024), 2) "sum MB ",Round (A. Bytes/1024/1024), 2) "datafile MB ",Round (A. bytes-B. bytes)/1024/1024), 2) "used MB ",Round (A. maxbytes-a.bytes + B. bytes)/1024/1024), 2) "Free MB ",Round (A. bytes-B. bytes)/A. maxbytes) * 100, 2) "percent_used"

2 3 9 4 5 6 rows selected. SQL> host rm/u01/oradata/orcl/sysaux01.dbf SQL> host ls-l/u01/oradata/orcl/sysaux01.dbfls:/u01/oradata/orcl/sysaux01.dbf: no such file or directory SQL> shutdown immediate; Database closed. database dismounted. ORACLE instance shut down. SQL> startupORACLE instance started. total System Global Area 209715200 bytesFixed Size 1218556 bytesVariable Size 62916612 bytesDatabase Buffers 142606336 bytesRedo Buffers 2973696 bytesDa

file.Use restore tablespace... to dump all data files in the tablespace.Run switch datafile to change the location and name of the data file in the control file.Use recover tablespace... to archive logs.Finally, use alter tablespace... online to bring the tablespace online.

Basic usage of creating, managing, and deleting ORACLE tablespace (code implementation), oracle table 1. Create a Permanent Table -- Create a permanent tablespace TEST01 with a size of 50 MB. do not automatically expand the data file create tablespace TEST01loggingdatafile

Solution to the problem that oracle cannot log on to sqlplus after the tablespace file is deleted by mistake, oraclesqlplus Background: Today I learned how to create a tablespace in the oracle database. So I rushed to create two tablespaces named/u01/test/my_01.dbf and/u01/test/my_02.dbf. Software: CentOS-6.7-x86_64,

) 5 . Create a temporary table space Before you create a user, you must first create a temporary tablespace and two tablespace for the database tablespace, otherwise the default tablespace is not good. Create temporary tablespace abc_temp tempfile '/home/

eucrmspace offline; Step 5: manually copy database files to the desired directory. Step 6: [before and after the operation, you can use SQL to query the changes in the database files used in the table space: select name from v $ datafile;] SQL> alter tablespace eucrmspace rename datafile 'C: \ oracle \ product \ 10.2.