the process of moving databases or data from one place to another

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70
votes
14answers
128k views

How can I move a database from one server to another?

How can I move MySQL tables from one physical server to another? Such as this exact scenario: I have a MySQL server that uses innodb table and is about 20GB size. I want to move it to a new server, ...
49
votes
4answers
11k views

Are SQL Server in-place upgrades as ill advised as they used to be?

I have been working with SQL server on and off since SQL Server 6.5, the old advice that still rings in my head was never to do an in-place upgrade. I'm currently upgrading my 2008 R2 DEV and TEST ...
20
votes
1answer
6k views

Best practices for schema changes and data migrations to a live database without downtime?

How do you make schema changes to a live database without downtime? For instance, lets say I have a PostgreSQL database with a table including various user data like email addresses etc, all ...
18
votes
4answers
625 views

What is your workflow for planning a data migration?

So many times I've been brought in at the end of a software development effort and been told something like "okay, we've got all this new code and it requires tables to change and data to be ...
16
votes
7answers
44k views

Need to migrate SQL Server to MySQL

I have a database on SQL Server 2008 on a Windows server and I want to move all of the data to a MySQL database on a Ubuntu server. I have tried using the SQL Server Import and Export Wizard with the ...
15
votes
7answers
29k views

Moving tables to another SQL2008 database (including indexes, triggers, etc.)

I need to move a whole bunch (100+) of large (millions of rows) tables from one SQL2008 database to another. I originally just used the Import/Export Wizard, but all the destination tables were ...
13
votes
3answers
4k views

Should I migrate data using detach/copy/attach or through backup-restore-replay?

I am about to embark on migrating database files to a new SAN (from an old SAN) abd I have a couple of options to implement this. (1) It was suggested that I look into the level of effort of restoring ...
13
votes
1answer
14k views

Upgrade SQL Server 2000 database to 2008 R2 and enable new features

I have recently upgraded SQL Server 2000 database to 2008 R2. What I did was: Shutdown SQL Server 2000 (express) service on old machine, Move datafiles (mydatabase.mdf and mydatabase.ldf) to new ...
11
votes
1answer
5k views

How to migrate large blob table from mysql to postgresql?

I'm now in process of migrating my MySQL database to PostgreSQL. Almost everything went fine (well, after lots of googling for correct mysqldump params etc.) except one table I have - actually the ...
10
votes
1answer
2k views

How to move a database from SQL Server 2012 to SQL Server 2005

What are my options if I need to move a database from SQL Server 2012(32bit) to SQL Server 2005(64bit)? I know I cannot: restore a backup of the database on SQL Server 2005 detach & attach I ...
10
votes
3answers
756 views

Best way to migrate a huge SQL Server database with low downtime over network

Problem definition Our database server needs to be transferred to an other datacenter. It runs on Microsoft SQL Server 2012 Enterprise (64-bit) and contains two databases of about 2TB and 1TB. ...
10
votes
4answers
6k views

Tools to migrate from SQLite to PostgreSQL

I need to continuously migrate from SQLite to PostgreSQL. By continuously, I mean that I will reimport the SQLite database into PostgreSQL every day. It would be nice if I could make changes to the ...
9
votes
6answers
1k views

Migrate from SQL Server 2000 to 2012 without a 2005 or 2008 instance

I have come across three old databases sitting on SQL Server 2000 which I need to move to 2012. I believe the standard approach is to restore into a 2005 or 2008 instance, update, re-export and ...
9
votes
2answers
834 views

A Non-DBA Asks: How to Painlessly Copy/Move a SQL Server instance to another Server via Backup/Restore?

We've just got a new server so I need to copy the existing SQL Server 2008 instance over from the old db box. I normally do this by copying .mdf and log files over and attaching them but I'm not able ...
9
votes
1answer
2k views

SQL Server 2000 to 2008 to 2012

We are migrating from SQL Server 2000 to 2008 now. We are making lot of changes to code, scripts because there has been a lot of change since 2000 to 2008. While making these changes, What I want to ...
9
votes
3answers
30k views

How to solve UTF8 invalid byte sequence copy errors on a restore, when the source database is encoded in UTF8?

I was given the task to migrate a PostgreSQL 8.2.x database to another server. To do this I'm using the pgAdmin 1.12.2 (on Ubuntu 11.04 by the way) and using the Backup and Restore using the ...
8
votes
2answers
2k views

How to migrate SQL Server Stored Procedures using temporary tables or table variables to Oracle?

C# developer encouraged by management to write SQL Server stored procedures often produce procedures like this create table #t1 (...); insert into #t1 Select ... from table_a where ...; insert into ...
7
votes
1answer
20k views

What happens when you modify (reduce) a column's length?

Lets say I have two columns of type NUMBER (without precision, and scale) and VARCHAR(300). I saw that these columns are way too large for my data, so I want to modify them to NUMBER(11) and ...
6
votes
2answers
25k views

What is the easiest way to move data from Oracle to SQL Server?

One of our products supports both Oracle and SQL Server as database backend. We have a customer who wishes to switch from an Oracle backend to Microsoft SQL Server, which isn't a typical transition ...
6
votes
1answer
486 views

Move live SQL Server database to a new server

I have a production server running SQL Server 2008 Web Edition, and it has to keep running 24x7 with almost no down time, and it's the time for us to move to a more advanced server hardware, also it's ...
5
votes
2answers
596 views

Save postgres database from broken ubuntu 10.04 server

Recently a database server with an important db broke (some grub linux issue that I'd prefer not to solve). I can still access the filesystem. Is there a chance to transfer the database by only ...
5
votes
3answers
224 views

Import 2 column CSV files to some sort of DB… preliminary planning

Every day I have a CSV file generated by a script. It has two columns. Column 1 is a name, column 2 is the size of their mailbox. I have a years worth of these files. I would like to be able to ...
5
votes
1answer
273 views

Migrating large database

What is a quick way of migrating 75G database to the cluster? I tried to test the backup and restore and it took more than 2 hrs. Business owners won't accept the long outage. Any idea how I can make ...
5
votes
1answer
195 views

If PostgreSQL starts after copying data, is the data ok?

I'm copying the data for a PostgreSQL database, that is, /var/lib/postgresql, from one server to another. The servers are identical except for the fact that one is 32bit and the other one is 64. I ...
5
votes
4answers
125 views

Syncing Database for Server Transition

I'm transitioning from an old web/sql box combined to a much more robust solution on a completely different host (800hosting to RackSpace). Our application has very high uptime requirements. It runs ...
5
votes
3answers
6k views

Fastest way to move a database from one server to another

I'm moving a single MySQL database (~10GB uncompressed) from one server to another on the same network. The current MySQL version is 5.1.41 and the new version is 5.5.24. The database contains both ...
5
votes
1answer
10k views

Migrating from one SQL Server 2008 R2 instance to another

I just started a new dba job and have been given a new server and told to move everything from the old server to the new one, brand new windows and SQL Server installations. I know I have to transfer ...
5
votes
1answer
279 views

Migrating MySQL to new server

We have a MySQL 5.1 instance running on Windows Server 2008 R2 x64 (Server A) replicated to another MySQL 5.1 instance on Windows Server 2003 R2 (Server B). We have a new MySQL 5.5 instance on ...
5
votes
1answer
316 views

bcp database migration

I want one server to migrate the database to another server. On another server database already exists, then ist all the tables, but they are empty and I want to fill. For the filling, I want to use ...
4
votes
2answers
4k views

Migrate all databases from one SQL Server 2005 to another

We have a production SQL Server 2005 server on which we are hosting 200 databases. We want to host these databases on our new server. On new server SQL Server 2005 is installed and is ready. I want ...
4
votes
3answers
156 views

SQL Server migration using a replica

I want to migrate a fairly big SQL Server instance (100 GB+) to a cloud machine. I don't think the attach/detach method will be a good idea. Because sending big files over the internet would take a ...
4
votes
2answers
4k views

Is it okay to use rsync on InnoDB database if the MySQL server is shutdown?

Is it okay to use rsync on InnoDB database if the MySQL server is shutdown ? For example : /etc/init.d/mysql stop rsync -av /home/mysql/mydb/ root@newserver.com:/home/mysql
4
votes
3answers
226 views

Easiest Way to Move 100 Databases

I need to move about 150 databases from one server to another server. SQL Server 2008 Web Edition SQL Server 2012 Preview (in a different datacenter - East Coast Azure) I was planning on moving ...
4
votes
2answers
155 views

SQL Server 2005 Database move and rationalisation - Recommended maintenance processes

We're moving a SQL Server 2005 database to a new server and upgrading to 2008, and I'm looking for some advice and reassurance that our approach is correct. I inherited this database and it came to ...
4
votes
2answers
186 views

Moving a database to a new server

My database server is being decommissioned at work. We have a new database server to take its place. Both servers have the same operating system and SQL Server 2008. I need to move all my databases ...
4
votes
2answers
1k views

What is the best way to migrate multiple databases?

I want to migrate my database server to a new server. Right now I have a database server with Windows Server 2008 and now I am migrating to a new, separate server with Windows Server 2012. There are ...
4
votes
1answer
2k views

Generate insert statements for table AND related data

I'm looking to move data from tables and related tables between 2 databases. The trouble is the primary keys are out of sync. Is anyone aware of a tool which can generate insert statements for a ...
4
votes
1answer
456 views

Migrating development and production databases to AWS

After careful thinking and asking on meta.stackoverflow, I'm posting this question on the DBA site. If anyone thinks this question should be on serverfault or any other site, feel free to close and ...
3
votes
4answers
4k views

SQL Server 2008 R2 Ent trial expired move to express?

So someone let our SQL server 2008 R2 enterprise trial expire on a web server. It was part of a plan to restart a project and move everything we had over to MySql instead. We don't need anything ...
3
votes
4answers
6k views

Open source tools for Oracle schema compares

I'm looking for an open source tool to generate DDL scripts. Many tools call these synchronization scripts. We essentially want to compare schema of different environments (ie: DEV to QA, QA to ...
3
votes
2answers
6k views

How to migrate from SQL Server 2000 to SQL Server 2008 R2 Express Edition

I have been trying to migrate a database from SQL Server 2000 (part of SBS 2003) to SQL Server 2008 R2 Express Edition I naively tried using the SQL Server Export and Import wizard. This has worked ...
3
votes
1answer
176 views

SQL Server 2000-2014 migration using 2008 Express as intermediary [closed]

We have SQL Server 2000 Standard Edition, and we're researching migration to SQL Server 2014. I already know that I need to use 2008 as an intermediate step. My question is, do we need to purchase a ...
3
votes
3answers
935 views

Migrating from ntext to NVARCHAR(MAX)

I have table with the columns of type ntext.And for some peculiar reasons, client want to migrate the column type to NVARCHAR(MAX). While doing so , what all potential threat should i be careful ...
3
votes
2answers
167 views

Have: Postgres database files. Need: Functioning database

I am running Ubuntu 14.04 with a postgres/postgis setup and in a weak moment removed PostgreSQL 9.1 (seemingly a legacy install from 12.04 from before I upgraded to 14.04), having erroneously ...
3
votes
2answers
844 views

Migrating CLR Assemblies

I am migrating a SQL Server 2008R2 database to a new server. (also 2008R2) There are a number of CLR assemblies on the server. Will these automatically migrate with the database or will I have to ...
3
votes
2answers
5k views

What is a good way to copy data from one Cassandra ColumnFamily to another on the same Keyspace (like SQL's INSERT INTO)?

Trying to find a way to easily transfer all the rows from a Cassandra ColumnFamily/Table to another. The COPY command, as I understand, is a good option. However, as it dumps all the data to .csv on ...
3
votes
2answers
5k views

Oracle Procedure to Enable/Disable all constraints

I have this nice piece of code: begin for i in ( select constraint_name, table_name from user_constraints where constraint_type ='R' and status = 'ENABLED' ) LOOP execute immediate ...
3
votes
2answers
690 views

Should I move to InnoDB during a planned migration?

I'm shortly migrating a Debian Lenny webserver to another host and Debian Squeeze. The standard MySQL installation even on Squeeze is 5.1 and therefore would default to MyISAM - I'm inclined to stick ...
3
votes
2answers
77 views

SQL Server migrations go through client machine or not?

I want to migrate a SQL Server db on one machine to another machine. Both machines are remote. If I run the Copy Database wizard, will it pull all the data across the Internet to my client machine and ...
3
votes
2answers
303 views

Migrating and normalizing data

We are rewriting a large Django application which uses a MySQL database, and the database schema needs to undergo major modifications. We're also porting the app to use PostgreSQL, for a couple of ...