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

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Sending Data Across Databases in Realtime [duplicate]

I have a device that sends data to a database say, DB1. Now, for every insertion or update done in DB1, I want it done on DB2 in real time. Please somebody help me out on what to do here. Thank you in ...
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1answer
40 views

Galera Cluster not syncing from a standalone Mysql Server

I had setup a 3 node Galera cluster in production network. And I am replicating the data from a Standalone MySQL Server to one of the galera node(node1) through master slave replication. I can ...
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34 views

SQL Server: migrating masters databases between clusters by detaching/attaching them

As a migration strategy is it possible or feasible to detach a master database in a Microsoft SQL Server cluster and then attaching a different master database's files from another cluster? The goal ...
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2answers
62 views

SQL Server - SQL Plan Management for baseline

I am a .Net developer. I have a database upgrade coming up (from SQL Server 2005 to SQL Server 2012). The database team will be handling the migration. But I have seen forums posts saying that after ...
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19 views

MySQL quick database transfer between two servers

I am migrating a reasonably large (18GB) database used for a website from one server to another. There are two tables which make up 95% of that size and they do not have to be fully transferred for ...
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41 views

BIG Binary column - PostgreSQL 9.2

I've got the following table: CREATE TABLE gorfs.inode_segments ( st_ino "gorfs"."ino_t" NOT NULL, -- Inode number the segment belongs to. alongside segment_index, it forms the table's primary key ...
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198 views

Convert Postgres TIMESTAMP to TIMESTAMPTZ

I have a decently-sized (~50k rows) time-series database running on Postgres, with some other structured data (in another database instance) which is much smaller. Stupidly, when I initially designed ...
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50 views

How to migrate AWS dynamodb to mongodb

I am new to NoSQL databases. I am having a database in AWS RDS DynamoDB. I need to migrate this to MongoDB. Can any one help me with the steps to convert database from DynamoDB to MongoDB.
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93 views

How can I migrate a WordPress site from MySQL to SQL Server Express?

I have developed a web portal in WordPress using xampp server. I have my database in MySQL. Now I need to deploy this WordPress portal on other system with SQL Server Express Edition. So how can I ...
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2answers
265 views

Migration from Cassandra 2.x to 3.x: schema_keyspaces table is gone. How do you query system keyspaces?

I just migrated from Cassandra 2.x to 3.x (specifically, 3.4). Now the system tables have completely changed, and these changes are not in the documentation. If you look at the current CQL docs for ...
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2answers
68 views

Quickest way to migrate mirroring to AG

Scenario is this, prod is two two node FCI with mirroring (primary/disaster DC). This is working just fine. New hardware is coming and a version upgrade to SQL Server 2012 (from 2008 R2) in the form ...
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1answer
23 views

Issues regarding phpMyAdmin - character set

I'm trying to migrate a Wordpress site from one server to another. Everything is going fine apart from the database migration. I have my database 'A', and using phpMyAdmin I am attempting to export ...
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190 views

Postgres: how to restore backup with WAL-E?

I am trying to setup Postgres and WAL-E. So far I have managed to install WAL-E and it appears to be working. I can make backups, WAL logs seem to be sent to S3, great. Here is what S3 looks like: ...
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1answer
52 views

Minimise time for migration

I want to migrate production DBs from one server to a different one. This is my plan: Shut down the application Change the DB to single user mode Take a full backup for all databases Restore the ...
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1answer
62 views

Dump specific tables from DB2 database

Is there any command line tool that I can use on a DB2 database to dump a specific set of tables? The problem is that I work in an application that its database tables was created in an existing ...
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1answer
69 views

Converting standard_conforming_strings from off to on when importing Postgres dump

I've got a Postgres 8.1 instance which has standard_conforming_strings set to off (== handles slashes as escape characters). Recent Postgres versions have this setting on by default (for good reasons)....
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26 views

Source of network_name for distributor

So, I have a really weird case. Was doing a migration from sql server 2005 to 2012. Built the server, and at the last minute we found that the server was called abc/xyz. We just wanted abc, so the DBA ...
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301 views

SQL Server 2008R2 Alias not working

I have an interesting situation here. We're basically trying to migrate some SQL Server infrastructure to new hardware, and one of the boxes (single-instance, 2-node cluster) is running 2008R2. The ...
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68 views

Oracle to SQL Data migration failed with No errors using SSMA tool

I'm trying to migrate tables from Oracle (Oracle 11g r2) to SQL Server (SQL server 2014) using SSMA tool, successfully able to create the schema but data migration is failing. I've installed SSMA + ...
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1answer
64 views

Does exist some software for transforming data from one DB schema to another?

I need to transform between two different database schemas the same data. For example i have one table in old schema like this: and i need to transform it to new schema like this: So i have few ...
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1answer
21 views

How do I create a new mongo collection with custom indices from an existing mongo db? [closed]

I have a mongo database collection, that I want to modify. I would like to add new indices (text and geo) to the existing data, and remove unnecessary fields. What would be the best way to do this? ...
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1answer
53 views

Is it possible to restore a database from 10.50.4033 in 10.00.1600

I did one project for my last year exam I want to restore a database. Is it possible to restore a database from v10.50.4033 to 10.00.1600. If yes, how is this possible.
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32 views

How long will it take to migrate a 5 GB Database to Amazon RDS [closed]

I just need an estimation. How long will / can it take to move a 5 GB big database from an external source to amazon RDS. What is best practise to do it? I just moved succesfully a few days ago a ...
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2answers
111 views

Can I create a new user in MS SQL from windows and provide the SID

I am trying migrate databases and along with the database I am trying to also migrate the users without having to re-map the users. I was trying to recreate the windows user with the old server SID. ...
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53 views

Cloning a database to another collation

I'm not sure if this is the best way to migrate data to another collation but I've done the following: Scripted the source database and changed the collation in the script to my required one Ran the ...
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41 views

Updating 2M rows based on 2M individual rules (MYSQL)

I'm carrying out a fairly simple (but large) Database combine/migration (simple/dumb, but slow work). It's 2 systems that are very similar, but do have slight differences. Currently the main issue is ...
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54 views

migrate over clause from mssql to mysql

How to write the following code into mysql, SELECT SUM(COUNT(col1)) over (PARTITION by col2) as summation FROM TABLE GROUP BY col2
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29 views

One bitmask column vs multiple bit columns [duplicate]

I have many tables with a column storing a set of days of week. I used to use MySQL and data type "set" worked well. For example: [worker] id weekday_mask (data type: SET('Mo','Tu','We','Th','Fr','Sa'...
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1answer
64 views

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
37 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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1answer
88 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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67 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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125 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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1answer
89 views

Move data from 4 shard, replicated mongodb cluster to a single server without downtime

I need to move sharded data from four replica sets to a single remote machine without downtime. Can you describe the process step by step?
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2answers
794 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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1answer
69 views

Is replication a suitable method to move a SQL Server database to new hardware?

I need to move a live database with about 100 GB of data to a new machine. As I understand the easiest way to do that would be to take it offline, move the files and bring it back online. But: The ...
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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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48 views

Reporting services database was NATIVE, now it's UNKNOWN

After migrating a database from Sql Server 2012 to Sql Server 2014, we found a little problem. It was told me that the reporting server was not used, so I just installed the SQL Server 2014 and ...
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1answer
39 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
45 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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90 views

How to speedup pg_dump big database

I've got big database (about 900GB), and when I migrate it to new server dump speed is not more than 2MB/s (very slow). Link between servers is 10Gb/s. The database contain 20 tables with different ...
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1answer
216 views

Set “Encryption Enabled” to FALSE…what can go wrong?

I'm migrating a database from SQL Server 2012 to SQL Server 2014 on the Same server. I'm configuring LOG SHIPPING on a database that is apparently encrypted: When setting the log shipping i got ...
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1answer
45 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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32 views

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 ...
3
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1answer
66 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
100 views

SQL Server Database Migration - Backup/Restore while Original DB still in Production

I have a very large DB in full recovery mode. My SQL Server is 2008 R2. The thing is that I need to migrate to a new server while having the original DB still in production. Both backup and restore ...
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1answer
59 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
221 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
94 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. ...