This paper describes the method of yii2.0 database migration. Share to everyone for your reference, specific as follows:
Create a migration
Use the following command to create a new migration:
Yii migrate/create
The required parameter name functions as a brief description of the new migration. For examp
Note: yii supports the database migration feature only after version 1.1.6. Like the source code, the database structure continues to grow as we develop and maintain database-driven applications. for example, during development, we may want to add a new one...
Note: yii supports the database migration feature only after version 1.1.6.
Like the source code, the database structure continues to grow as we de
Tags: future ogr section best bottleneck gzip diff combo AutoMySQL migration scenarios under different scenariosPosted in MySQL and tagged MySQL, data migration, scheme on Sep 15, 2015. viewd 2684 times. 文/温国兵A catalog
A catalog
Second why migrate
Three MySQL migration Scenarios Overview
Four MySQL Migra
Original link: http://www.ibm.com/developerworks/cn/cloud/library/1508_wangyx_openstacklivemigrate/Migration (migration) is the move of a virtual machine from one physical host to another, and dynamic (live) is that the virtual machine works during the migration without affecting the user's use. For system administrators, dynamic
Note: Yii does not start to support database migration features until after version 1.1.6.
Like the source code, the structure of the database continues to grow as we develop and maintain database-driven applications. For example, during development, we might want to add a new table; Or, after the application has been put into production, we might realize that we need to add an index to a column. It is important to track changes in these database stru
https://msdn.microsoft.com/zh-cn/data/jj591621 Data Access and Storage > Learning > Entity Framework > Getting Started > Code First migration This walkthrough provides an overview of the Code first migration in the Entity Framework. You can complete the walkthrough or jump to a topic of interest to you. The topics are as follows:
Enable migration
Bui
Summary of considerations for MySQL Migration Solution overview I. Why is MySQL migration a task of DBA routine maintenance. Migration is to remove an existing object to ensure its integrity and continuity. Why migration is required in the production environment?
MySQL Migration
Oracle Database Data Migration Method
---- With the upgrading of database management systems and operating system platforms accelerating, database administrators often need to migrate data between two different databases or between two different system platforms. This article describes the general steps of database data migration and several methods for migrating data to the Oracle8i Database,
As the upgrading of database management systems and operating system platforms accelerates, database administrators often need to migrate data between two different databases or between two different system platforms. This article describes the general steps of database data migration and several methods for migrating data to the Oracle8i Database, and compares their advantages and disadvantages. When the development environment is switched to the run
I. Introduction of row migration and row link in actual work we often encounter some problems with low Oracle database performance. Of course, there are many reasons that cause low Oracle database performance, we can use some correct design and diagnosis to avoid the poor performance of some Oracle databases. RowMigration (row migration) RowChaining
I. Introduction of row
Notes on Linux physical server migration
Two days ago, we performed online migration on the two servers in the production system. Therefore, we would like to summarize some of the operations and lessons learned before and after the migration. In a professional style, I have read some official migration guides from Micr
1. Entity Framework migration command (get-help entityframework)
Enable-migrationsEnable migration
Add-migrationAdd a migration script for pending model changes
Update-DatabaseUpdate suspended migration to the database
Get-migrationsObtain the migration of an applicationIi.
Two days ago we did an online migration of two servers in the production system, so we wanted to summarize some of the things that have happened before and after the migration and the lessons learned. In the professional style of doing things, I read about Microsoft and Red Hat Some of the official migration guidelines, but found that the practical part is not pa
to understand Windows Server 2012R2, follow the information age of the pace of development, will not be left behind.So, if the enterprise now has a Windows Server 2003 infrastructure environment, how to migrate to 2012R2, which applications can be migrated, and how they should be migrated, is the topic we need to discuss today.first of all, stand in the technical perspective to think, in the process of system upgrade migration, I think there should b
Why do I want to migrateMySQL migration is a task in the daily maintenance of DBAs. The original meaning of the migration is to remove the actual objects and ensure the integrity and continuity of the object . Like the soft sand, two innocent children, to move a pile of sand to other places, casting the heart of the castle of longing.In the production environment, the following conditions need to be migrate
This article mainly introduces you to the
LaravelData migration and data population, this paper gives you a detailed description of the implementation
LaravelData migration and data population, you
LaravelInterested in can take a look at Oh!
Objective
This is a basic tutorial, Laravel document data migration and data filling, share out for everyone to reference
not satisfied. What is usually likely to happen is that the training data expires. This often requires us to re-annotate a lot of training data to meet our training needs, but labeling new data is very expensive and requires a lot of manpower and resources. From another point of view, if we have a large number of training data in different distributions, it is very wasteful to discard the data completely. How to use these data rationally is the main problem to be solved in the study of
data expires. This often requires us to re-annotate a lot of training data to meet our training needs, but labeling new data is very expensive and requires a lot of manpower and resources. From another point of view, if we have a large number of training data in different distributions, it is very wasteful to discard the data completely. How to use these data rationally is the main problem to be solved in the study of migration.
The content discussed in this article is based on the EF4.1 version. The existing database discussed in the article is not created by EF. This article assumes that you have a certain understanding of the code one migration, and if you do not understand the code one migration update database, you can view
Migrate the update database in asp.net MVC Code-in-one mode.
The article covers the following topics:
On any workstation platform that supports DB2 UDB, MTK supports database conversion from Sybase 11.9.2 and Microsoft SQL Server 6.5 and 7.0 to DB2 UDB version 7.2 and higher. For versions earlier than Sybase V11.x and earlier than ms SQL Server V7.0, MTK can also be used to convert scripts imported from these databases. MTK does not support sending data to DB2 UDB for OS/390®And DB2 UDB for z/OS™DB2 UDB for iSeries™. However, you can use the MTK transformation and refinement steps to create DB2
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