The difference of function between Exp/imp and EXPDP/IMPDP: 1, the user UserA to import the object into the UserBEmp/imp usage:Formuser=usera Touser=userb;EMPDP/IMPDP usage:Remap_schema= ' UserA ': ' UserB 'For example:Imp system/password fromuser=usera touser=userb file=back.dmp log=backlog.log;IMPDP system/password directory=expdp dumpfile=back.dmp remap_schema= ' UserA ': ' UserB ' Logfile=backlog.log
Label:Basic syntax and examples:I. EXP: There are three main ways (full, user, table) 1, Complete: EXP system/manager buffer=64000 file=c:\full. DMP full=y If you want to perform a full export, you must have special permissions 2, User mode: EXP sonic/sonic buffer=64000 file=c:\sonic. DMP Owner=sonic all Objects SONIC by the user are output to a file. 3, Table mode: EXP sonic/sonic buffer=64000 file=c:\sonic. DMP owner=sonic tables= (SONIC) the User SONIC table SONIC is exported
Function: Oracle Data Import/Export imp/exp is equivalent to Oracle data restoration and backup. In most cases, you can use ORACLE data import and export to back up and restore data (without causing data loss ).
Oracle has a benefit. Although your computer is not a serve
Tags: GPO data sheet DMP Linux system dem suggests a strong LinuxFirst, the Environment configuration 1. Execution Environment: Exp/imp can be executed either on the client or on the server side,Clients that need to have Oracle installed on the client,If it is a Linux system, it is logged in as an Oracle user and executed under the console.It is recommended to pe
Yesterday I chatted with my colleagues about ORACLE data backup. The imp/exp Command did not provide progress information and only showed the name of the currently processed object (tables, views, etc. So I thought of a backup recovery applet I wrote a few years ago and provided the backup progress display function. Its implementation logic has always made me fee
the pipeline and outputs it to the disk file.$ mknod/tmp/exp_pipe P$ compress 2. Exp to pipe.$ exp File=/tmp/exp_pipe ... IMP is a similar situation.Then look at the direct exp to tape method.$ exp file=/dev/rmt/0m volsize=4g$ imp file=/dev/rmt/0m volsize=4gFinally look at the method of exp to the bare device,$ exp FILE=/DEV/RDSK/C0T3D0S0 volsize=4gImp similar. All of these methods allow us to avoid the 2G
= abc_dir => abc_dir: This is the Oracle directory. CreateImpdp userid = system/password dumpfile = expdat. dmp directory = abc_dir The other oldest EMP/IMP can only be regarded as a storage-to-storage tool, which is suitable for small databases only because of its slow execution speed. I tested the results by using the Export command to back up the entire
Basic syntax and example: 1. Exp: There are three main methods (full, user, table) 1. Full: EXP system/Manager Buffer = 64000 file = c: \ full. DMP full = y if you want to perform full export, you must have special permissions. 2. User Mode: EXP Sonic/sonic buffer = 64000 file = c: \ sonic. DMP owner = Sonic so that all the objects of the user Sonic are output to the file. 3. Table mode: EXP Sonic/sonic buffer = 64000 file = c: \ sonic. DMP owner = sonic tables = (sonic) so that the user's sonic
Exp/imp is an executable file under the operating system placed in the directory/oracle_home/binThe Exp/imp tool compresses data backups from a database into a binary system file that can be migrated between different OSesIt has three modes:A. User mode: Export all user objects and data in the object;B. Table mode: Export all tables or tables specified by the user;C. Entire database: Exports all objects in
Frequently Used commands for Oracle Database imp and exp: www.2cto.com 1. import Data command: imp userid = fkprod/fkprod full = y file = xxx. dmp 2. export Database object command: use tools ---> export user object to export data tables only. scripts cannot export data, or
View the system's Nls_lang settings before exporting:
Echo $NLS _langAmerican_america. zhs16cgb231280
Select Userenv (' language ') from dual;American_america. Zhs16gbk
The difference between the two values is an error:
Exp-00091:exporting questionable statistics
The cause of the problem:The user environment variable language set in Linux is different from the environment variable language set in the Oracle database.Solution:Set the user environm
Exp/imp is a two command-line tool for Oracle Backup data1. Local database import and export1. Export(Operation---cmd)EXP username/Password @ DB instance name file= Local storage pathEg:exp Jnjp/[email protected] File=c:/jnjp.dmp2. ImportIMP User name/password @ DB instance name file= Local database file storage path Full=y ignore=yEg:imp Jnjp/[email protected] f
The Oracle Import Utility (utility) allows data to be fetched from the database and written to the operating system files.The basic format used by IMP: imp[username[/password[@service]], the following examples illustrate the common use of IMP.1. Get HelpImp help=y2. Import a full databaseImp system/manager file=bible_d
EXP is available under the Oracle installation directory . EXE with IMP. EXE for these 2 files, they were used to perform the import and export of the database. So Oracle data import and export imp/exp is comparable with Oracle data restore and backup.I.
specify the table name of a table
To achieve better results, we can first create a table with the bankuser user, then exp, and then go to sqlplus to delete the table. Finally, imp will find that the database has been restored.
If it is in a windows environment, it seems that you still need to add the @ Database Name and ORACLE_SID after the user name/Password
Use expdp to back up the database
Run the command
Tags: Oracle CREATE DATABASE Tiger writeImport and export of Oracle databasesFirst, it was embarrassing again.In fact, there are two types of Oracle import and Export commandsThatEXP (EXPDP) imp (IMPDP)First of all, to popularize common sense:In the normal storage and database migration, when encountering a large datab
Import and Export imp/exp of the Oracle database is equivalent to backing up and restoring the Oracle database. The exp command can export data from a remote database server to a local DMP file; the IMP command is used to import t
Tags: OracleThe "preface" is explained in the blog post:This article will introduce a personal tone about the Oracle database import and export knowledge, at the current point in time "May 16, 2017 " under the mastery of limited technology, there may be a lot of knowledge understanding is not deep or comprehensive, I hope you point out the issue of common exchange, In the follow-up work and study, if found that the content of this article and the actu
Using the EXP and IMP commands is one of the simplest and most common ways for Oracle to migrate data for backup. The method steps used under this record for later use.
First, use the command on the old library:
Exp userid=username/password@database owner=xxx file=xxx.dmp log=xxx.log
The database at the end of the @ is the data connection string. Can be a form of
Label:The error is as follows: D:\software\xfwebdb2015-05-11\autobackup>impImport:release 10.2.0.1.0-production on Wednesday May 13 19:36:10 2015Copyright (c) 1982, 2005, Oracle. All rights reserved.User name: ZFZBPassword:IMP-00058: Encountering ORACLE error 12560ORA-12560:TNS: Protocol Adapter errorIMP-00000: Failed to terminate import successfully Workaround: To use the following
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