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Now there is a need to use Exp/imp to import 11g of database data into 9i, to solve this problem generally think of three ways of thinking, try (in fact, from the high version of the server to support the low version of the client principle, you can probably guess the use of 9i client to handle the problem) Method 1: Export imports all use 11g clients --
Oracle learning Data Warehouse (I) Import Oracle 11g Global samples schemaOracle 11g provides an example schema for the Data Warehouse. You can download the sample installation file through the following link. The http://www.oracl
In the use of Oracle databases, Backup recovery is the most critical. When the database fails, it can be restored in a timely manner to reduce unnecessary losses. Next I will briefly introduce the import and export of databases, solutions, tables, and the role of things in the Process of use.1. Export data tables[Oracle @ CentOS ~] $ Exp scott/system tables = t f
Oracle 11g Flashback Data Archive (flash back Data archiving) UNDO tablespace record rollback information although it can provide flash back query, but for a long time, this information will be overwritten. In fact, as long as the transaction is committed, it will become a writable object. Therefore, when performing a
---------- ----------------------------------------1 First row of data3 third row of dataNext, perform a recovery operation on the data you just deleted:1. Turn on the mobile function of the tableSql> ALTER TABLE TB_FLASH1 enable row movement2/The table has changed.2. Restore the table to the time when the data was deleted (note that the time is as close as possible to the time you deleted the
The key reason for upgrading a large object (Large object, LOB) storage capability is the increasing demand for data security in Oracle 11g, which focuses on expanding transparent data encryption for LOB and tablespace (transparent data encryption, TDE) features to improve
Oracle 11g Data Loading Methods Data Loading: SQL * LOADER External table Import/Export SQL * LOADER: SQL * LOADER is an Oracle tool that can load data from external data files to
, change back to db_name = 'symp3 ', the same db_name should be set for the same DG -- The following is the configured backup database parameter file, which only lists the modified parts. If the original pfile file contains the same entries, you can comment on it or delete [Oracle @ linux3 ~]. $ Tail-20 $ ORACLE_HOME/dbs/initsybo5.oradb _ unique_name = sybo5log_archive_config = 'dg _ Config = (sybo3, sybo5) 'Log _ archive_dest_1 = 'location =/u01/data
We have provided an overview of the unique features of Oracle 11g R2. At the same time, we also describe the enhancement of the data warehouse performance related to Oracle 11g R2. The following describes the enhanced features of Data
The Oracle installation and configuration process is closely related to the operating system, storage, and network. Especially in Linux and AIX environments, the configuration process is relatively complex. A link error may cause a series of faults in the future.In addition, the steps and methods for executing the same installation project vary greatly with the Oracle version. For example,
Oracle 11g Data guard based on the same host 1. Restrictions on logical standby DatabasesThere are many restrictions on the logical standby database. For example, some special data types such as object, nested table, rowid, object type, and custom data type are not support
/onlinelog/inst2_redo0602.log ' to '/app/ Oracle/oradata/orcl/onlinelog/inst2_redo0602.log ';alterdatabaserenamefile ' +DBDATA/ORCL /onlinelog/inst1_redo0701.log ' to '/app/oracle/oradata/orcl/onlinelog/inst1_redo0701.log '; alter databaserenamefile ' +flashdata/orcl/onlinelog/inst1_redo0702.log ' to '/app/ Oracle/oradata/orcl/onlinelog/inst1_redo0702.log ';alter
Tags: name error technology share replacement how to query Flash recovery free related informationOracle 11g R2 Rman BackupDefinition and classification of backup and recovery Definition and classification of backup: 备份就是把数据库复制到转储设备的过程。其中，转储设备是指用于放置数据库副本的磁带或磁盘。通常也将存放于转储设备中的数据库的副本称为原数据库的备份或转储。备份是一份数据副本，从不同的角度分类如下： From a physical and logical point of view: From physical and logical, backups can be divided into physical and logical backups. Physica
Oracle's 11GR2 version does not make much of a change to the data pump, mainly by adding support for the original version parameters and removing some small restrictions. This article describes the data pump on the table to improve the way to export. In 11gr1 and previous releases, there was a limit to the export of table schemas, all exported tables must be in the same schema, which made it inconvenient
Oracle's 11GR2 version does not make much of a change to the data pump, mainly by adding support for the original version parameters and removing some small restrictions. This article introduces the data pump to import the new data_options parameters. Prior to 11.2, the data pump import provided only one data_options--skip_constraint_errors, and in 11.2, Data_o
DataFile (s) in backup setincluding standby control file in backup setChannel ora_disk_1:starting piece 1 at 2016-11-23 21:20:42Channel ora_disk_1:finished piece 1 at 2016-11-23 21:20:43Piece Handle=/home/oracle/ctlfile.bak tag=tag20161123t212041 comment=noneChannel Ora_disk_1:backup set complete, elapsed time:00:00:01Finished backup at 2016-11-23 21:20:43Rman> Then, when the backup task is finished, on the main library, the control fil
I have never paid attention to the data storage methods in Oracle, because most of them use metadata stored in Oracle relational databases. Today, I happened to see a description about Oracle 11g data definition, which is collecte
Oracle's 11GR2 version does not make much of a change to the data pump, mainly by adding support for the original version parameters and removing some small restrictions. This article introduces the improvement of data pump to the table fuzzy matching export. Oracle's data pump supports fuzzy matching of table names, such as: bash-3.00$ EXPDP yangtk/yangtk dir
troublesome because complicated triggers are also compiled after the history tracking table is created to ensure that the historical data is precisely tracked. The capture of historical information is also very efficient, because the Oracle 11g specially modified the kernel to minimize the performance overhead of historical
• Describes the options for restoring data faults • use the new RMAN data repair command to perform the following operations: -List faults-receive repair suggestions-repair faults • Perform preventive fault checks • query the data recovery guidance View Data fault repair • Data
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