Ora-01110:data file 6: '/TEST/LUNAR_TEST01.DBF ' ora-27041:unable to open file linux-x86_64 error:2: No such file or directory Additional Information:3
Check the SPID of the DBWR process
sql>!ps-ef|grep dBW Oracle 2757 1 0 12:29? 00:00:14 ora_dbw0_bb Oracle
One of the tablespace is read-only in your database. The Los S of allControl file forced you to recreate the control file. Which operation doYou need to perform after re-creating the control file and opening theDatabase?A. Drop and re-create the read-only tablespacesB. Rename the read-only data file to their correct
A friend and I talked to a case, a tablespace originally had a data file (already has a lot of data entered), then he added 7 data files, this time he found that he added more files, want to delete these data files, but do not understand the database, directly offline the table space, and then rm the relevant data files, The last table space cannot be online. I have simulated the recovery test for the scene, restoring it using bbed and Dul
Simulation
channel CH1 type disk;Allocate channel CH2 type disk;Backup incremental Level 0 database plus Archivelog Delete inputFormat '/home/oracle/rmanback/db_%d_%u 'Tag=db_inc_0;Release channel CH1;Release channel CH2;}Finished backup at 12-MAY-17I. Recovering PDB data filesWhen the database is open, all data files for the current data are checked.For System,sysaux and undo table space data files, if there is a problem, the database cannot open. If a common
There are a number of discussions on the web that can be used to delete data files from the Oracle runtime, and for files deleted using the RM operating system command, you can recover files with the copy file descriptor, although the database is still running.However, when the DB is still running, copy the file descriptor directly to recover the
Atitit.sql server2008 Export Import Database Large table file ...1. Files exceeding 80M are not executed in Query Analyzer 12. Oracle, MySQL large file import 12.1. Using SQL file 12.2. Using dmp binaries (Oracle only) 12.3. Othe
The password file of Oracle is located in the $ ORACLE_HOME/DBS directory. The naming rule is orapw
Before the database is started, the database's built-in users cannot use the database to authenticate their identities. The password file stores the username and password of sysdba/sysoper users. Users can use the password fil
The jdk file downloaded from the oracle official website in Linux is not a standard gzip file.The escape or tar. xz format cannot be avoided because someone may accidentally change the name after compression. Bytes. You can run the file command to check and confirm this. Therefore, there is no way to decompress the package.
Solution:
Download the
Backing up Oracle with a bat batch file (provided the Oracle database client is configured)Create a dbbackup directory under the D-Disk directory to build a Dbbak.bat@echo off Echo ================================================ Echo automatic backup script for Oracle database in Windows echo 1. Use the current date
; (File Operation) Copy (MOVE) the data file to the new path // change the path setting [plain] startup mount; alter database rename FILE 'd: \ oracle \ product \ 10.2.0 \ oradata \ orcl \ test_data01.dbf 'to 'd: \ TEST_DATA01.DBF'; alter database open; // test: import new data to the user and check whether the
Methods for importing SQL files into PowerDesigner (convert Oracle SQL files to MySQL)The method of importing the database structure of the Xxxxxx.sql file into PowerDesigner is as follows: First step: The table structure of all tables of the library to be imported (no table data, as long as the table structure) is exported as a. sql file.Step two: Find File >> R
Despite repeated caution, there is a human error deleting the database file. Simple steps, perhaps the key moment can be a big help.Environment: CENTOS 6.5Analog error Operation: The database is in normal operation, the manual direct RM dropped the data file. --1. Test environment Situation: $ Cat/etc/redhat-releasecentos Release 6.5 (Final) select file_name from dba_data_files;/u01/app/
. After restoring and loading the control file, you will have the backup information required to restore and restore the database.After restoring the control file of the database from the backup, you must perform full media recovery before you can use the resetlogs option to open the database.
[Oracle @ yysf 2009_09_30] $ RMAN target/
Recovery Manager: Release
Oracle Author: Anonymous Source: InterNet Add Time: 2003-7-20 system Environment: 1, operating system: Windows 2000
2. Database: Oracle 8i R2 (8.1.6) for NT Enterprise Edition
3, Installation path: C:\ORACLE
Explain:
Oracle 8i R2 (8.1.6) for NT Enterprise Edition The default installation will create the following three
recorded in the data dictionary (without affecting the operation of the database ).
If the database runs in non-archive mode:
1. MOUNT database-startup mount2. Delete the data file-alter database datafile xxx offline drop3. OPEN database-alter database open4. view all objects in the tablespace:Select owner, segment_name, segment_typeFrom dba_segmentsWhere tablespace_name = 'tbs _ name'5. Export all objects in the tablespace ------ use the exp command
establish command security for the Oracle GoldenGate command to control which users can accessOracleGoldenGate. For example, you can allow some users to execute INFO and STATUSCommand to prevent these users from using the START and STOP commands. The security level is based on the operating system'sGroup. To configure a security policy for the OracleGoldenGate command, you canCreate a secure sec file in th
Oracle Oracle View tablespace, data file size, and usage SQL statements--Table Space--1g=1024MB--1m=1024KB--1k=1024Bytes--1m=11048576Bytes--1g=1024x768*11048576bytes=11313741824BytesSELECT A.tablespace_name"Table space Name", Total"Table Space Size", Free"table space remaining size", ( total-free)"table space usage size", Total/ (1024x768*1024x768*1024x768)"table
Oracle non-critical file recovery, redo, temporary files, index files, password files, and oracleredo
The Application of Incremental backup is in the rediscovery stage and is no longer in the restore stage.
Learn about the database settings table:SQL> desc database_propertiesName Null? Type-----------------------------------------------------------------------------PROPERTY_NAME not null VARCHAR2 (30)PROPER
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