mongodb migration

First, let's move on to the local file server data to SharePoint OnlineInstallation prerequisites for installing the Migration API:. NET4.0 :http://www.microsoft.com/zh-cn/download/details.aspx?id=17718Sharepointonline Management Shell :http://www.microsoft.com/en-us/download/details.aspx?id=35588Migration API can also be installed on client operating systems such as WINDOWS7, not necessarily installed on the Server operating systemMigration commands

oracle9i provides a powerful migration capability to migrate data from multiple databases to Oracle. Oracle's new Release Migration Tool provides a simple solution for migrating from Access2000 to Oracle92010, which overcomes the problem of garbled Chinese and the truncation of strings, as follows is the whole process of migrating from Access2000 to Oracle92010. First, download the latest version of OMWB (

This article mainly describes how to complete the porting process from AIX platform to Linux platform based on DB2 PHP application system. The article contains the low-level DB2 database porting, the high-level PHP application system porting the detailed steps as well as the migration process may encounter problems and solutions. Task overview The work of system migration is mainly divided into the follow

Tags: style color io os using AR strong for fileA. command to open1. Open the console: view, other windows, Package Manager console;2. Start the database migration, execute the command: enable-migrations　　After successful creation, the Migrations directory is added.If the following error is reported:pm> enable-migrations　　　　More than one context type is found in the assembly ' Firstmvc '.To enable migrations for FirstMVC.Models.UsersContext, use Enab

Introduction Generating migrations Migration Structure Running Migrations Rolling back migrations Writing Migrations Creating Tables Renaming/dropping Tables Creating Columns modifying Columns Dropping Columns Creating Indexes Dropping Indexes Foreign Key Constraints IntroductionMigrations is like version control for your database, allowing a team to easi

Plan: Install a virtual machine, Ubuntu bar, 14.04 trusty Tahr. Install MongoDB network resources:Http://mirrors.aliyun.com/ubuntu-releases/14.04/ubuntu-14.04-server-amd64.iso.torrent (Public network) Http://mirrors.tuna.tsinghua.edu.cn/ubuntu-releases/14.04/ubuntu-14.04-server-amd64.iso.torrent (Education Network) Http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.6.1.tgz Virtual machine:Numbe

Tags: MongoDB shard cluster Data synchronizationIn this blog we mainly discuss the management of the blog. As a detailed example has been written in the previous five articles, this is no longer an example.First, monitoringShard Cluster is a complex piece in the whole system, so it should be monitored more.Main commands: Serverstatus and Currentop ()Second, manual partitioningManual partitioning means splitting and migrating the blocks of the online s

step-by-step," the features of MongoDB are described, including high-performance, highly available, extensible (horizontal scaling), where MongoDB's high availability relies on replica Set replication and automatic failover. The use of MongoDB database has three modes: Standalone,replica set, shareded cluster, in the previous article described in detail the shared cluster construction process.Standalone is

columns is a one-time DDL operation that generates a large number of Redo Log records; Data Tables are locked for a long time, which hinders the production system. When a data column is added, an exclusive lock is added to the data table, which hinders other DML operations; Destroys the original storage structure, resulting in a large amount of Row Migration data. When you try to add each data row to the default value for expansion, the rowid feature

is very convenient, the original physical server application does not need to pause for too long time to continue to work on the virtual platform.But the virtualization P2V is not ghost, the process of migration is more like the OS operating system from the hardware drive stripped and overhead to the virtual layer, the virtual layer will take over the hardware driver, and the hardware resources, such as: storage disk, processor, Key components such a

;———————————————————————————————————————————————————————————————————————————————————————————————————Body partRemember I in the "Follow your heart-talk about Vmcloud" in the article, at the end of last year, Vmcloud blog bandwidth once exceeded 6G (resulting in the October, November end of the month has two or three days is inaccessible state, show bandwidth excess), and the original blog host access to the bandwidth limit is 6G (after all, is a personal blog, so no investment too much, the purch

Migration is a Database Synchronization tool in a distributed environment. It appears in the Ruby on rail framework. migratordotnet is A. NET database version system similar to migrations of Ruby on rail. Supported databases include MySQL (5.0, 5.1), PostgreSQL, SQLite, SQL Server (2000,200 5), and Oracle (not well tested). You can use nanttask, msbuildtarget, console Application can be used in three ways. The migrations class is a subclass of

1 Introduction In recent years, many colleges and universities in China have gradually established network infrastructure and built some application systems. However, due to lack of understanding of the overall structure of the Digital Campus, there is a lack of unified planning for system building. The existing systems are separated from each other, and information and resources cannot be shared, however, some systems are highly integrated, difficult to maintain and upgrade, and the network ba