migrate data from oracle to mongodb

The disk of the customer's 32-bit Oracle database system is damaged. Fortunately, the Oracle database is intact. The customer requested to migrate the database to the newly purchased device. The memory size of the new device is 64. The disk of the customer's 32-bit Oracle database system is damaged. Fortunately, the

Migrate MySQL to Oracle (1) 1. Introduction As you may imagine, migrating a database and using its applications is not a small matter. A lot of work is required to migrate the database platform and the applications that use it. In this two-part document, we will discuss all the steps around this process and ask yourself what you should pay attention, and how to

Two days ago, the leader gave a live migration to the database. The original system was using the Oracle database and now it was going to be changed to MySql. At that time, I did not think much about it. The original system used the Frame Type SSI, so I thought about the following adjustments: First database migration Second application modification The following describes the process in detail. 1. database migration Simply put, it is to

Migrate a single oracle instance to RAC through dataguard One instance primary to RAC standbyDataGuard Configuration: Primary Standby Clusterware Oracle Database 11g Enterprise Edition Release 11.2.0.4.0-64bit 11g R2 Grid Infrastructure (11.2.0.4) Cluster Nodes Cltrac1 Srvrac1, srvrac2 DB_UNIQUE_NAME Test

Tags: Oracle databaseWe often need to migrate data, migrate to more advanced hosts, migrate to remote rooms, migrate to different platforms ...First, Exp/imp: This is the most commonly used the simplest method, is generally based

Migrate the oracle database from the 32-bit platform to the 64-bit, oracle32-bit The disk of the customer's 32-bit oracle database system is damaged. Fortunately, the oracle database is intact. The customer requested that the database be migrated to the newly purchased device. The memory of the new device is 64 GB, and

I have compiled several blogs about migrating a single instance from 32-bit to 64-bit: Oracleconverta 32-bit database to 64-bit database (32-bit to 64-bit) Description Http://blog.csdn.net/tianlesoftware/article/details/7252742 Migration of a single oracle instance from 32-bit to 64-bit (1) -- direct copydatafiles Http://blog.csdn.net/tianlesoftware/article/details/7258654 How to migrate a single

1: Backup Oracle Database2: Backup control files to trace (in case you need to create a new control file) The code is as follows Copy Code sql> ALTER DATABASE backup Controlfile to trace; Database altered. Sql> Oradebug SetmypidStatement processed.Sql> Oradebug Tracefile_name/u01/app/admin/easy/udump/easy_ora_18830.trcSql> Host CAT/U01/APP/ADMIN/EASY/UDUMP/EASY_ORA_18830.TRC......----Set #1. Noresetlogs case----The following

Oracle 9i provides powerful migration functions to migrate data from multiple databases to Oracle. The new Oracle migration tool provides a simple solution for migrating data from Access 2000 to

In archive mode, you may need to migrate some data from one disk group to another. In this case, we can use the command ldquo; BACKUPASCOPYrdquo; In archive mode, you may need to migrate some data from one disk group to another. In this case, we can use the command ldquo; backup as COPYrdquo; In archive mode, you

Migrate data files in the file system to the ASM Storage The RAC environment uses ASM for storage.Recently, some data files are stored in the file system during database maintenance, which is abnormal. As a result, the running instance on another server is abnormal.Therefore, we need to migrate the

The simplest way to migrate databases from Oracle to MySQL Because the work needs to be the Oracle database to MySQL database, the data volume is large, millions other data, the table is more, there is a quick and secure method? The answer is yes, the following describe

Migrate Oracle databases across OS platforms Port existing Oracle databases (non-binary executable program files/) from one operating system platform to another operating system platform (for example, from Windows to Solaris)This requirement may occur during Oracle version upgrade (

Migrate tablespace and data files from the file system to ASM 1. the only two factors that need to be taken into account are the downtime and storage capacity for database migration, for whatever reason and need. These two factors often determine how you can migrate the database: if there is not enough downtime, you can choose hot migration, but requires enough s

Several ways to migrate Oracle databases We often need to migrate data, migrate to more performance-configurable host OS, migrate to remote rooms, migrate to different platforms, the fo

Migrate the Oracle database from the 32-bit platform to the 64-bit The disk of the customer's 32-bit Oracle database system is damaged. Fortunately, the Oracle database is intact. The customer requested that the database be migrated to the newly purchased device. The memory of the new device is 64 GB, and the system Re

http://blog.csdn.net/xuejiayue1105/article/details/28423015 Restore OA System Database -------oracle11g migrate data by cold backup ---------------(very simple, very practical, especially when the volume of data is very useful) oracle11g database Cold backup and recovery All data files, control files, online redo log

: to append data, change truncate to append. 4. Import Data sqlldrshen/shen@dbcontrol=tbtest.ctllog=tbtest.log Second: 1. the DB2 db2look command can be used to directly export database information, including table structure, views, functions, and stored procedures (the only pity is that the DB2 system table information is also exported, depressed !). 2. Separate the statement for creating a table an

2005Copyright (c) 1982, 2005, Oracle. All rights reserved.connected to target Database:danaly (dbid=3965153484)rman> copy datafile '/opt/oracle/eygle01.dbf ' to '/dev/cciss/c0d0p11 ';starting backup at 30-nov-05using target database control file instead of recovery catalogAllocated Channel:ora_disk_1Channel ora_disk_1:sid=135 Devtype=diskchannel ora_disk_1:starting datafile copyinput datafile fno=00002 nam

Http://blog.csdn.net/passion_wang/article/details/6541369 Oracle 10 GB Data migration across tablespaces Because some developers do not have in-depth understanding of the Oracle database, they usually specify non-default tablespaces when creating tables, this causes many problems during operations such as exp and imp. Therefore, you need to