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

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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 ...
3
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1answer
68 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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2answers
90 views

Partition of a table - how to minimize the time offline? How to check if all the statistics were updated?

As you ca see on the picture, I have a table called "tblsapdispatch" that has 55,707,259 records. Last sunday 30-aug-2015 they run a big update on this table, and I can see that the statistics were ...
6
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1answer
241 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 ...
0
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1answer
20 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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1answer
148 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
38 views

How to get SQL Server Compact 4.0 Database content query?

I need to migrate data to a SQL Server 2014 database from an existing SQL Server CE 4.0 database. I'm having difficulty because my computer runs SQL Server 2012 so I'm not able to port the data via a ...
2
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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
48 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 ...
8
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2answers
247 views

Moving Databases to New Datacenters

My company is moving our infrastructure to new data center and I am trying to figure out the best way to keep the database on the new server in sync with the current production database until the new ...
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2answers
24 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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0answers
15 views

How to migrate logins ( not users ) from one instance to another? [duplicate]

I have lots of instances here where I work, and I'm planning to put all of them into just one. I will migrate all databases from these instances to only one instance. Ok, I can do this (I will backup-...
5
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1answer
184 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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0answers
44 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 ...
0
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0answers
66 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 + ...
0
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1answer
61 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 ...
0
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1answer
19 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? ...
0
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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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2answers
171 views

Strategies to import big data into Oracle

What strategies are available to import about 500 million small transactions every day from an external system? Oracle becomes very slow with very frequent commits. The transfer process which is ...
0
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1answer
29 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
105 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. ...
3
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1answer
50 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 ...
5
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2answers
536 views

Physically migrate MySQL without a dump

A client ask me to migrate his MySQL DB: The server doesn't have free space and it also has a very big table that is broken, so I can't dump it. I can't REPAIR it because of lacking of free space. ...
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2answers
3k views

How to compare two SQL Servers instance level objects for a migration?

I'm currently working on a SQL Server migration (from a SQL Server 2005 to a 2008 R2 server, on a new physical server). The databases themselves will be transferred using a database backup and ...
0
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0answers
40 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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1answer
53 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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1answer
4k views

Can I upgrade SQL Server 2008 R2 Standard to SQL Server 2014 Developer?

Is there a migration path to upgrade SQL Server 2008 R2 Standard to SQL Server 2014 Developer? If so, are there any pain points? If not, how would you recommend I proceed? The context of this ...
9
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2answers
259 views

Bulk insert M:N relation in PostgreSQL

I need to import data from an old database to a new one, with slightly different structure. For example, in the old database, there is a table recording employees and their supervisors: CREATE TABLE ...
2
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1answer
193 views

migration of oracle xe 10 to xe 11 fails with wrong paths used in the import

I'm following the documentation to upgrade an OracleXE 10.2 database to OracleXE 11.2. The export succeeded without any problem, the import (on another machine with XE 11) fails though. The log file ...
0
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1answer
252 views

How to convert database mysql4 to mysql5

I have mysql dump file named booster.dump. It was export from 4.0.27-standard mysql server. Now I want to convert this database to mysql 5.1.73-cll. How can I do it? I search about this topic in ...
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0answers
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
62 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 ...
0
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2answers
34 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 ...
1
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1answer
70 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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2answers
3k views

SQL Server to Oracle export using Microsoft OLEDB Provider for Oracle

I am trying to Export Data from SQL Server to Oracle using the "Microsoft OLEDB Provider for Oracle". I am using "Export Data..." option from Task menu. I get to connect to the source database (SQL ...
2
votes
1answer
208 views

Can Unicode columns include non-Unicode values in SQL Server?

I need to convert Unicode column values from UTF16-LE to UTF-8 to then import into MySQL. Is it safe to assume columns of NVARCHAR, NTEXT, NCHAR, BIT, INT, DECIMAL, FLOAT, and DATETIME all must be ...
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0answers
118 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 ...
3
votes
4answers
10k views

Open source tools for Oracle schema compares [closed]

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 PROD)...
0
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1answer
74 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?
0
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0answers
60 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 ...
3
votes
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 ...
12
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2answers
684 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
210 views

Migrating from Oracle to MySQL via MySQL workbench: Table list is empty

MySQL workbench offers a migration tool that I'm using to migrate an Oracle database to MySQL. I'm using the migration wizard to migrate the complete Oracle schema to MySQL. I used that for the ...
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0answers
58 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 ...
2
votes
1answer
38 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 ...
0
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0answers
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 ...
28
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1answer
10k 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 ...
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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 ...
2
votes
1answer
92 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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0answers
76 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 ...