I have a Rails project and I used Migrations to setup the database schema (I\'m using sqlite3). 开发者_运维百科I have a XML file that I want to insert into my database. What\'s the best way to approac
I\'m writing a migration to convert a non-rails app into the right format for rails - one of the tables for some reason does not have auto increment开发者_高级运维 set on the id column.Is there a quic
Recently I\'ve been trying to restructure an old database that was not designed with filegroups (just the default PRIMARY) and, among other things, move a bu开发者_如何学JAVAnch of tables to a new Dat
For performance reasons, i want to set the Indexed Attribute to some of my entities. I created a new core data model version to perform the changes. Core Data detects the changes and migrates my model
I\'m trying to开发者_运维问答 test a plugin that i wrote by running: rake spec:plugins When i execute this command it appears that it drops my database tables (in my test DB) and then runs a migrat
I have a model in my Rails app that uses the :class_name attribute for has_one: class Foo < ActiveRecord:Base
If you have already been prompted to migrate your solution from .NET 2.0 to .NET 3.5 and you responded \"No\" at the 开发者_Go百科time, how do you get Visual Studio 2008 to re-prompt you with this que
So I\'ve a user model and a corresponding table (users) with fields: User_id, username, password etc.
There are at least two Grails plugins that emulate the database migration functionality of Rails: Autobase
I\'d like to convert a repository from Subversion to Mercurial, but when I initially set up the repository, I did it in the laziest way possible.Over time, the structure continued to morph and deterio
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