Tagged Questions

database-migration is the process of transferring data between storage types, formats, or computer systems. Also refers to migrating the database from one vendor to another, or to upgrading the version of the database software.

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Making Changes Between Two Databases ASP.NET MVC

I'm working on a project in which we have two versions of an MVC App, the live, and the dev versions, I've made changes to the dev version and added tables and data, etc. Is there any way to migrate ...
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clicked on migrate database in openerp and cant access database again

i was trying to experiment on migrate database in openerp and unfortunately it was not successfull. and i cant access my database again. all i get is..i curse my self for doing it and it seems i wont ...
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Postgres database says database exist but I cannot Alter owner

This is my first VPS and first rails project ever. Inside of postgres console: postgres=# \list List of databases Name | Owner | Encoding | ...
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Using aggregators (Min, Max, Avg) inside South migrations

I want to perform annotate/aggregate inside migration, because my data needs to be prepared before schema modifications. South does not permit import aggregators fro django.db.models - it throws an ...
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34 views

Tools for migrating database from sqlserver to postgres

I am looking for some good tools for migrating database. Migrating from sqlserver to postgres database. Any Help :)
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trying Insert data of tables into one temporary table and insert again into same temp table from a different table

trying Insert data of tables into one temporary table adn insert again into same temp table from a different table Select ...
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Entity framework 5 down migration: Target database is already at version

I have been working with EF migrations using this tutorial:http://msdn.microsoft.com/en-us/data/jj591621.aspx My issue is that i cannot get a migration to reverse with: Update-Database ...
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1answer
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How to load Indexes to Teradata Server using BTEQ

I'm trying to load table that has unique index to Teradata Server using BTEQ utility. And I get the following error: Failure 3706 Syntax Error: expecting something between the word 'ID' and the 'ASC' ...
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Grails Database migration problems with Spring Security password

HI dear Grails Professionals ! I am looking for the solution for my problem.I have finished my Grails Web Application and its fully completed.I want to migrate old DATABASE to new one.There are user , ...
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Rails migration error - Name can't be blank

I am using rails 2.x version. Am using mysql 5.0 database for back end process. I faced a migration error when i did the following steps. Get the application code from github. Run schema:create, ...
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In flyway maven plugin auto_increment doesn't fill id column with autoincrement values

I use flyway plugin to my database migrations and one of my migrations has this sql: -- Inserts sequential number into `id` ALTER TABLE `DEVICES` MODIFY `id` BIGINT(20) AUTO_INCREMENT; -- we don't ...
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Rails migration complains about undefined method `attachment' using paperclip

Lemmie just preface this by saying I'm fairly new to Rails. Our app uses paperclip (3.2.4) to manage attachments and as usual, I generated a migration that looks something like: class ...
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Posgresql won't add columns to existing tables in rails application

I'm using paranoid gem to be able to mark records as deleted without actually deleting them. To mark records as deleted it uses an additional column deleted_at I have a migration which adds such ...
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Rails: How do I reset models and migrations?

I've been working with Rails and of course have learned quite a bit since I started. I'm wanting to keep a lot of my files I've made but I'm wanting to recreate many of my models. Since I wasn't ...
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coredata migration thread issues

I'm doing a custom migration which needs to save a photo to ALAssets and get the resulting URL to put back into the database. The ALAssets method is an asynchronous method. How do I get the custom ...

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