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This command is only used by root and is set to be valid for the root userchattr [+-=] Options file or directoryCommon Options Description:A: Atime (access time) of a file or directory cannot be modified (modified), which can effectively prevent the

Database initial failureThu Sep 25 09:27:26 2014Mmon started with pid=15, OS id=1968Starting up 1 Dispatcher (s) to network address ' (Address= (Partial=yes) (protocol=tcp)) ' ...Starting up 1 Shared server (s) ...Oracle_base from environment =

Environment: 11.2.0.1 + RHEL5.8 reference documentation id:1678747.1 1. Simulate creating a node: sql> create tablespace tdb datafile '/u02/app/oracle/datafile/td b.dbf ' size 10m autoextend off; Tablespace created. 2. View data File One node:

Brief: When querying database data, prompt temporary table space exception, error ORA-01157 ORA-01110, after the data file processing, has resolved this fault.Environment: Oracle 11g RAC for Linux 6, library for Dataguard1. Query the data times

18.7. Performing Complete user-managed Media RecoveryAfter a consistent backup, restoring the database to the current SCN is the best result. The ability to recover an entire database. Restores a single table space. or recover data files. Consistent

Recovering a database using RmanBecause of the need to build a test environment, the last weekend of a full-time recovery, first back up the test library on the existing important tables: Exp Banping/[email protected] file=f:\20090905.dmp

Directory:First, cold backup derivative considerationsSecond, data pump derivative considerationsFirst, cold backup derivative considerations1. Cold Recovery steps:A. Close the Source LibraryB. Transfer data files, control files, pfile, log files to

First of all, for this third job, give me the preparation time really not much, because the new year back home 6 days, there is no way to study and think in a timely manner, returned to the House will be a cursory look at the relevant operation with

This article describes the Python implementation of the removal of the download movie and TV series in the file name of the redundant characters, is a very practical skill, share for everyone to reference. Specifically as follows: Sometimes we hate

With the rapid development of office automation and electronic commerce, the dependence of enterprise on information system is more and more high, and database plays an important role as the core of information system. Especially in some industries

Uwsgi and Nginx log are in a file name on the log, can not be rotate by day, so the volume of a single file will become larger and worse, not conducive to log backup. Nginx Method of Log segmentation The Nginx log segmentation method is studied on

DB Storage Hierarchy (Drawing a sketch, will take a look ...) XD) Managing Table Spaces -system Storing data dictionary information, it is necessary to create a database when creating the first -sysaux 10g new, necessary, auxiliary sharing

6.1.4.2 file Positioning Seek: Move the current position of the file to the specified section Filepos: Returns the current location of the file Eoln: Return line End Flag EOF: Return file End Flag FileSeek: Change the position of the current

Chapter One: Log Management1.forcing Log Switchessql> alter system switch logfile;2.forcing checkpointsSql> alter system checkpoint;3.adding Online Redo Log groupssql> ALTER DATABASE Add logfile [Group 4]Sql> ('/disk3/log4a.rdo ', '/disk4/log4b.rdo '

In the development of the machine often encounter the problem of the reload system, before reloading if Oracle is not backed up in a timely manner after the reload of the tangled, data recovery is a headache.All kinds of Niang can only find some

Directory Rebuilding of Oracle Control files Noresetlogs Resetlogs Rebuilding of Oracle Control files Less than the last moment, such as three control files are corrupted, and there is no control file

I think everyone is familiar with the use of the alter database open resetlogs command of ORACLE_RESETLOGS command. Have you ever wondered why this resetlogs option should be used? When will it be used? What is its mechanism? What are their roles?

Welcome to the Oracle community forum and interact with the 2 million technical staff to enter the workshop (u01oradatadb01log_01_db01.rdo) SIZE15M, GROUP2 (u01oradatadb01log_02_db01.rdo) SIZE Welcome to the Oracle community forum and interact with 2

I. oracleOracle servers include Oracle instace and Oracle databaseAn instance consists of a memory structure and a background process.Memory structure includes shared pool and SGA (System Global Area ).SGA includes Database buffer cache and Redo log

Oracle control file recovery case 1: the solution to the loss of a single control file is very simple. Just copy the Multiplexing Control file to the corresponding path. Case 2: All control files are lost (created using SQL in trace) Before this