Top "Database-migration" questions

database-migration is the process of transferring data between storage types, formats, or computer systems.

Managing mongoid migrations

Can someone give me a short introduction to doing DB migrations in Rails using Mongoid? I'm particularly interested in lazy …

ruby-on-rails mongoid database-migration rails-migrations
Creating MYSQL Procedure in Laravel 4 Migrations

Is there a way to generate stored MYSQL procedures in a Laravel 4 migration? For example, here's a simple procedure generation …

mysql stored-procedures laravel laravel-4 database-migration
alembic create_table, check if table exists

I have an alembic upgrade script that creates a table, however I don't want it to create the table if …

python database-migration alembic
Laravel Migration - Adding Check Constraints In Table

I want to create a table in Laravel Migration like this- CREATE TABLE Payroll ( ID int PRIMARY KEY, PositionID INT, …

php mysql laravel migration database-migration
How to revert all migrations at once in Ruby on Rails 3?

I tried to run: rake db:migrate VERSION=0 It reverts all migrations except the last one. Then I tried to …

ruby-on-rails ruby-on-rails-3 migration rake database-migration
Django NodeNotFoundError during migration

The error I get when I try to runserver for my django app is as follows: django.db.migrations.graph.…

python django heroku sqlite database-migration
Django 1.9 drop foreign key in migration

I have a Django model that has a foreign key to another model: class Example(models.Model) something = models.ForeignKey(…

django foreign-keys database-migration django-1.9
Using EF4 migration tool with model-first approach

EF migration utility seems quite nice when using code first. Based on this blog post, I tried setting it in …

.net entity-framework-4 database-migration ef-model-first
Changing SQL connection information for DSN-less Access frontend

I've got a mission-critical Access 2003 database that changed from a local MDB, to an MDB frontend with the backend on …

sql-server ms-access connection-string ms-access-2003 database-migration
How to correctly migrate from Firebird 2.5.1 to Firebird 3.0?

I'am trying to migrate Firebird 2.5.1 to Firebird 3.0 What is done: Back up on Firebird 2.5.1 Restore on Firebird 3 The problem is …

firebird database-migration firebird2.5 firebird-3.0