documentum migration

As a result of the system revision, the last three months in the data migration work, due to the special business, the basic data migration can trample on the pits are trampled, decided to do a good summary. Migration type--historical data with large changes in the structure of new and old system tables I. Core ISSUES 1. The new cousin structure has changed enorm

Scenario: If varchar and VarChar2 are modified more often, and the modified data length is different each time, this can cause a "row migration" phenomenonConcept:Row chaining and row migration (row migration)When a row of data is too long to be inserted into a single block of data, there are two things that can happen: row chaining or row

Article title: System "big migration" Linux server migration method. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Running a Windows NT Server is indeed brave or stupid because Microsoft no longer provides technical support for NT. With the surge in business volume and

Tags: share for me install JDK LAN NSF MYSQ process target primary key auto-increment from:https://my.oschina.net/simpleton/blog/525675 First, what is ETL ETL, an abbreviation of English extract-transform-load, is used to describe the process of extracting data from the source (Extract), converting (Transform), loading (load) to the destination. The term ETL is more commonly used in data warehouse, but its object is not limited to data warehouse. Second, kettle simple explanation Kettle is a for

Static migrationStatic migration: it is also called conventional migration and offline migration (offlinemigration ). Is to shut down or suspend a virtual machine from a physical machineMigrate to another physical machine. Because the Virtual Machine file system is built on the virtual machine image, when the virtual machine is shut down, you only need to migrate

Analysis on Migration of EF Code First database to Migration, efmigration1. Introduction The Code First method of Entity Framework provides a method: compile a Model, generate a Model change, and modify the database according to the Model change. Therefore, the environment is a powerful Nuget. If you are still in VS2010, please do not read it any more. It will be of no benefit. 2. Operation step 1) create

drawbacks, and because it is so simple to use, it is easy to lose data, especially if someone like me who jumps directly from DB Frist to code first does not know anything, go to work with people who have already used EF6. That's not the point.FocusIsMigration(Database migration), database migration is normal for enterprise applications. Take our ABP example, first go to the ABP website to download the pro

Many people may be learning the Laravel framework, the Laravel Database Migration (hereinafter referred to as migration) There is doubt: what is migration. Why to use migration. Migration in the end convenient where. Well, with these questions, we will come together today to

Django Model Modification and data migration, django model migrationMigrations It is troublesome for Django to modify the Model. The syncdb command only creates tables that are not in the database and does not modify existing data tables synchronously, you cannot delete the data model. If you add or modify fields in the data model or delete a data model, you need to manually modify the fields in the database or use South. Django 1.7 has integrated the

Reference Migration: Migrations that involve the overall system and migration of a workload can be categorized into the following categories according to the characteristics of the migration:Static migration (cold migration): Refers to the migration process for a period of t

Because of the row link can only increase db_block_size to clear, and db_block_size after the creation of the database can not be changed, so there is no more than the purge of the row link, mainly for the row migration to talk about in the actual production system how to clear. The removal of row migrations is generally divided into two steps: The first step is to control the growth of the row migration s

Writing this article we have entered the last chapter, is the mailbox data migration, there may also be other chapters, such as: Exchange 2010 Uninstall Ah, in short, we need to see feedback, when the situation depends.Exchange There are three main ways of mailbox migration:1 ) Local: Mailbox migration between different databases. 2 ) Cross-forest: mailbox migra

", "Microsoft.EntityFrameworkCore.Tools":"1.0.0-preview2-final" }, "Tools": { "Microsoft.EntityFrameworkCore.Tools":"1.0.0-preview2-final" }, "Frameworks": { "netcoreapp1.0": { "Imports":"Dnxcore50" } } } 4. Add User,post entity and DB database context filesThe code is as follows: Public classUser { Public intId {Set;Get; } Public stringUserName {Set;Get; } Public stringPassword {Set;Get; } } Public classPost { Public intId {Set;Get; } Public stringTitle {

Solutions to some common problems during WordPress migration: wordpress migration. Solutions to some common problems during WordPress migration: wordpress migration 1. import database prompts that the data table already exists. Take host provider-host 91 used by Zhou Liang's blog as an example, provides solutions to so

Tags: port self NEC ROP Statement enhanced real-time project WanScenarios and BenefitsOnce you are familiar with the Symfony framework, you have a deep sense of the power of the framework-integrated ORM component Doctrine2, and the accompanying data migration is also very convenient. Doctrine2 uses the doctrine Dbal component to migrate data in a way that compares the table structure in the code to the table structure in the actual database. This is m

Create Database migration and database migrationGo back to the General Directory, "Step by Step Using the ABP framework to build a formal project series tutorial" In this section, we will talk about database Migration (Migration ). We used DBFirst to create entity classes, but the reason for doing so was to save time. Now we use the created entity class and DbCon

EF architecture ~ Execution sequence of Migration data Migration, efmigration For a single branch project, as long as you generate a version of migration, there will be a corresponding timestamp file, and in the update-database, it will start from the minimum time, execute until the current version of migration. for m

Data Migration Tool (Think-migration) is provided in THINKPHP5, which is the opportunity Phinx Development (document address:http://docs.phinx.org/en/latest/)One: Configuration think-migrationAdd in commond.phpPHP return [ "Think\\migration\\command\\migrate\\create", "Think\\migration\\command\\migrate\\run", "

symptom: After performing a migration live-migration operation, a successful migration is displayed, but the migration action is not actually performedResolution process:Perform virtual machine hot migration operation in dashboard, prompt operation is successful, but actual

MySql uses EF Core 2.0 CodeFirst, DbFirst, database Migration (Migration) Introduction and examples, codefirstdbfirst Dotnet core 2.0 has been released for several days. During this period, the MVC project of the original dotnet core 1.1 has also been upgraded to 2.0. the upgrade process is still smooth and there are not many changes. The upgrade of Entity Framwork Core is also indispensable during the upgr