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

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Best way to transfer millions of rows from one database to other

There are two databases: DatabaseA and DatabaseB with the same schema. These databases have millions of rows. The plan is to convert them into one single database (DatabaseCommon) and multiple ...
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2answers
29 views

Migrate MySQL tables to new server with same tables already on it?

We migrated our web server to a newer server. We have the old and new both running while we do testing on the new one. The old one is still being used in production by our clients and internal staff ...
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27 views

mysql workbench migration changed my database. Can I trust it?

I'm migrating a large production database(s) from mysql 5.5 to 5.6. Used Mysql Workbench Migration Wizard which creates a shell script to run on source and taget machines. The process worked well but ...
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23 views

Migration DDL - PostgreSQL 9.2

I'm doing a DDL to migrate all the attachments from the DB to a NFS server. Structure: /userfiles/account/5554/attachment/26687981/file/2790000/main.with_name/photo.j‌​pg ...
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41 views

MySQL performance issue after migration

I have a MySQL performance issue with a brand new server, and am somewhat of a beginner as a database administrator (I'm mostly a general-purpose Linux sysadmin). I'm looking for pointers where to ...
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75 views

Options to migrate large database from Sybase ASE to SQL Server with minimum downtime

The problem: Our server database contains 1TB of data. It runs on a Sybase ASE 15.7 server and shall be migrated to SQL Server 2014. The servers will be located in the same data center during ...
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2answers
395 views

Is there a penalty for using BINARY(16) instead of UNIQUEIDENTIFIER?

I've recently inherited a SQL Server database that uses BINARY(16) instead of UNIQUEIDENTIFIER to store Guids. It does this for everything including primary keys. Should I be concerned?
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29 views

How do I disable constraint checking during schema migration?

How do I disable FOREIGN KEY checking for the time of database schema migration? Currently I found engine-based commands like: PostgreSQL: SET CONSTRAINTS ALL DEFERRED; MSSQL: EXEC ...
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1answer
26 views

Replace content of only one table with new version (should disable foreign keys?)

I have 2 tables. 2nd has foreign keys to reference 1st. I need to replace the whole content of the 1st table with the new version from another database. The new version satisfies all constraints and ...
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31 views

SQL Server 2000 Migration on Production [duplicate]

I have a couple databases on server1 and I want to put them on server2. Application is adding new data in every couple of minutes to databases on server1. I would like to not switch off application ...
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1answer
37 views

Migrate Postgres from VM to VM

I have 2 VMs, both are identical in structural terms (came from the same snapshot, nothing installed, upgraded or removed). One VM is "clean", never used. The other VMs was heavily used and it has ...
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1answer
43 views

How to handle Schedules when moving Jobs to another server?

We are migrating our SQL Server 2008 R2 to another physical server. For this, I will script out all jobs and run it on the target server. My question is about handling the schedules: When a job is ...
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Slony PostgreSQL replication from Chile to US (between datacenters)

We are moving from a datacenter in Chile to one in AWS (in USA). We've already moved most of our servers but the database (PostgreSQL). As the source server is in a VMWARE environment, we took a copy ...
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1answer
38 views

MS SQL Server IP address change considerations

I am very new to MS SQL Server Administration and wants to learn on Migration of SQL Server in detail. We are in a Datacenter migration Project where the Windows server (SQL Server is residing in it) ...
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1answer
31 views

Agent shows disabled(although it is not) after migration

I am migrating our old server to a more reliable and powerful new server. SQL Server edition and build number stays the same (SQL Server 2008 R2 Standard). For this I followed the steps given in this ...
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1answer
71 views

Migrate/Export DB from Oracle 11g Enterprise to Oracle 11g Express

So I'm a DBA newbie and I've got an Oracle Enterprise server running in production with the following information under All Reports -> Data Dictionary Reports -> Version Banner, under ...
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2answers
86 views

Database Migration - Can it be this easy?

We have an old SQL Server 2008 server that needs to be replaced, and as the sole developer (and by extension DBA), I have been asked to figure out the best way to move the 5 databases to a new server. ...
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2answers
17 views

Migrating Pure PHP Site with Associated Database To New Server

First, let me say I'm not a DBA or network admin, but have moved large scale CMS websites from host to host. But, I have never moved a pure php coded database driven website from one host to another. ...
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1answer
36 views

Migrate a schema structure from one server to another MySQL

We have two Database environment server (Development and Production). Production DB is already being used in Production(means it already has production data etc.). My question is, is it possible to ...
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1answer
70 views

Microsoft SQL Server -> Postgres Data Migration

I have data in a Microsoft SQL Server that needs to be migrated to Postgres. The problem is that the SQL Server gets continuous updates and is hosted on our local net, while the Postgres instance is ...
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32 views

Which would be a recommended approach for migrating a Postgresql database from one server to another?

We are moving out of our current dataserver based on Santiago, Chile to Amazon (AWS) in North Carolina, all other servers have been successfully migrated with no problem, but our "migration consultant ...
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17 views

Temporary migration to a new server for firmware upgrade

I need to temporarily migrate an SSRS deployment to a new server so that I can perform a firmware upgrade on the server. Once the firmware upgrade has been completed, I will move SSRS back to its ...
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2answers
72 views

Does MySQL Workbench lock database during migration process?

I am doing a migration of my database from one server (RDS) to another (localhost) via the MySQL workbench tool. I want to know if during this process my database will be locked for write and read ...
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1answer
40 views

What are the low hanging fruits of a SQL Server 2014 migration?

I have read about new features and changes of the SQL Server 2014 version. But I still don't know the benefits every server will have by upgrading (from 2008 R2) to 2014? Are there any new features ...
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20 views

Migrating a DB of mysql 5.0 to 5.5

Sorry this is a newbie question. I have a DB of mysql 5.0 on a shared host and I would like to migrate this DB to another mysql server (5.5) on another shared host. What I did is like this. ...
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27 views

How to Normalize dump table, Perform-query, Perform-database Mysql

I need to migrate information hosting provider to our own systems, in this context I pose the following: The vendor provided us with history of transactions totaling approximately 7.5 million ...
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1answer
36 views

Microsoft SQL migration full/diff backup/restore

I would like to move a database from one physical location to another. I already have a copy of the full database backup at the new location which is done by a nightly SQL job and is about 20GB. If I ...
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2answers
244 views

Loop through tables or copy paste

I have to do a migration where I should retrieve data from 40 Access tables, which should contain several of the same columns (but not all, the schemas are different). To make it simpler, I used SSMA ...
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1answer
44 views

Migrating system and user databases to a new server by moving the lun

I have to lease replace a server and the system and user databases all reside on the e which is a SAN LUN. The method they want to employ is to remove the lun from the current server and present it to ...
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78 views

Troubles on export data with PL/SQL developer

I'm trying to export data from a specific table using PL/SQL developer and Oracle 11g. Here's how I did : select * from mytable right click on mytable then "Export data" chose my table on a grid ...
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2answers
69 views

Moving database from one server to another

I have a virtual machine running SQL Server 2012 in Azure and have also generated a script of my database to be run on the SQLSERVER2012 VM on Azure, however I am getting an error "C:\Program ...
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1answer
15 views

Missing Oracle Schema in SSMA Object Explorer

We are currently working on a project to move all of our disparate DBs (MySQL, Oracle, older versions of MS SQL) to SQL Server 2014. So far, pretty much everything has gone smoothly, however, there is ...
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1answer
55 views

Database migration - Simply change connection string?

We are migrating our database (MySQL/MariaDB) onto a dedicated server. Previously, our web server hosted the database. I've already set up master-slave replication between the web server and the new ...
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1answer
64 views

Migrating from PostgreSQL to SQL Server

I have been tasked to migrate a database from PostgreSQL 9 to SQL Server 2008 R2, and I have found some issues I need to address. I have quite limited experiences with PostgreSQL I'm afraid. Most ...
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52 views

Migrating SQL 2012 Analysis Services to another server

We have a SQL Server 2012 installation that was built on...let's say a compromised Windows installation. It's had so many installs/uninstalls done on it that nothing runs consistently, and we're ...
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1answer
21 views

Mongo DB Site to Site Migration

I am somewhat new to MongoDB but I do have some experience with MySQL and PostgreSQL. Currently, I need to migrate Mongo DB from one site to another. The sites should be identical (development and ...
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1answer
1k views

SQL Server data folder access rights

I did a fresh SQL Server 2014 install. Next, I wanted to attach some databases from a previous SQL Server 2012 server. I copied all mdf and ldf files to the data directory, but when I tried to attach ...
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1answer
90 views

Converting old SQL Server outer join syntax

I'm a Power Builder (PB) developer. I've migrated PB from 10 .5 to 12.5, and now I need to migrate the stored procedures from SQL Server 2005 to 2012 as well. I get a invalid expression error when I ...
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2answers
85 views

Handling lossy data before character- set migration

I am trying to migrate a database from US7ASCII to AL32UTF8 using CSSCAN. During the initial scanning using CSSCAN we have found the presence of lossy data both in data dictionary() and application ...
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1answer
59 views

SQL Azure Migration Wizard - Duplicate Primary Key

Just did a test at migrating a 120gb database onto RDS using SQL Azure Migration Wizard Because we can't afford any downtime for "just" a test we ran the tool on the live database (meaning data was ...
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3answers
181 views

Convert MyISAM to InnoDB

What are the considerations needed when converting myisam to innodb. I have a table around 80 GB with engine myisam. I would like to convert into innodb. What are the considerations needed to ...
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1answer
129 views

moving large PostgreSQL/PostGIS database

I need to move and upgrade a very large (~320 GB) PostGIS database from server1 (PostgreSQL 9.1, PostGIS 1.5) to server2 (PostgreSQL 9.3, PostGIS 2.1). The upgrade process is well-documented. The ...
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0answers
54 views

Migrating schema from Entity-Attribute-Value (EAV) model to proper tables

I have an Entity-Attribute-Value (EAV) database in Oracle 11. For many, many reasons, I would like to model this using actual tables. Changing all the client code at once is not possible. Existing ...
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1answer
145 views

How to migrate SSAS and SSRS from SQL Server 2008R2 to SQL Server 2012?

We are upgrading our SQL Server 2008R2 to 2012 and separate the SQL Server engine from SSAS and SSRS. We want put on Server 1 the engine and on Server 2 SSAS and SSRS. I did the side-by-side ...
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17 views

Migrating from SQL Server 2005 (Win 2003R2) to SQL Server 2008R2 (Win 2008R2) new Server [duplicate]

I am pretty new to the DBA field and i have been assigned to migrate all of my Production database from SQL server 2005( server A) to 2008R2 (Server B) and Decommission all of those database from 2005 ...
0
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1answer
84 views

Some tables not found after moving MySQL database from Linux to Windows

I had a MySQL database which I was working with from Linux. Some of the schema/table names were in mixed case. I then needed to work with the same database on Windows, but because of the enormous ...
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1answer
33 views

Migration from Sybase to a different platform

How feasible it is move the Sybase database to a different more popular platform such SQL Server or any other. Which one is preferred? Is it feasible in the first place?
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1answer
21 views

MySql DB from Ubuntu to RHEL

I would like to migrate my Mysql databases from Ubuntu to RHEL..what is the best way to proceed? I'm on community edition. I will be moving to entreprise edition of MySql on RHEL.
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1answer
169 views

Why are some of my migrated tables showing “The given key was not present in the dictionary” in WebMatrix's interface?

I'm having an issue while using the SQL Server Migration tool to convert Access accdbs into SQL Server 2014 Express. I am converting the tables using SQL Server Migration Tool and I have a connection ...
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1answer
59 views

Changes to the database schema are called migrations, what are data changes called?

Not sure where to ask this but here it is anyway. I understand that changes to the database schema are called migrations from a certain version to another. What do DBAs call changes to the ...