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How to rename a database in MySQL?

Today we will talk how do you can easily rename a database in MySQL.
At the MySQL version 5.1.7 was added a command to do this job named RENAME DATABASE

RENAME {DATABASE | SCHEMA} db_name TO new_db_name;

But it was removed on the MySQL version 5.1.23 because maybe it would result in data lost’s like you can see on this link of MySQL documentation

Then, lets see some ways which we can do this:

1. Using the RENAME TABLE command

As long as two databases are on the same file system, you can use RENAME TABLE to move a table from one database to another:

RENAME TABLE current_db.tbl_name TO other_db.tbl_name;

RENAME TABLE Syntax na Documentacao do MySQL

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Tokutek and PalominoDB Partner to Bring Scale, Performance to Database Deployments

MySQL storage engine provider joins forces with leading database consultants to deliver support for growing number of MySQL and MariaDB customers

Lexington, MA – (May 2, 2012) – Tokutek, the leader in high-performance and agile database storage engines, today announced a strategic partnership with PalominoDB, a premier database operations and engineering consultancy, to provide database services and support to joint customers. Tokutek’s storage engine will be complemented with PalominoDB’s operational excellence, 24×7 on-call support and access to the company’s skilled team of professional database administrators (DBAs).

“TokuDB has immeasurably improved our ability to react to changing business …

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MySQL MHA vs Continuent Tungsten Shootout

www.accelerationdb.com
 Table of Contents Background 3 MySQL High Availability and synchronous replication 3 About Continuent Tungsten 3 About MySQL MHA 4 Production Readiness 4 Development Tools 5 Architecture 5 MHA 5 MHA deployment diagram 6 MHA failover diagram 7 Continuent Tungsten 8 Tungsten Deployment Diagram 11 Tungsten Failover Diagram 12 Installation 13 MHA 13 Tungsten 13 Management 13 MHA 13 Tungsten 14 Open Source 14 Conclusion

BackgroundWe selected two MySQL High Availability solutions - MHA from http://code.google.com/p/mysql-master-ha/and Continuent Tungsten Enterprise from www.continuent.com. Both suites of applications MHA and Tungsten deliver MySQL high availability, both of them operate in asynchronous …

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MySQL Connect: Only A Few Days Left To Submit Sessions

The MySQL Connect Call for Papers closes on May 6 so you only have a few days left to submit your session proposals! Thanks to all of you who already submitted conference sessions and BOFs.

MySQL Connect represents a tremendous opportunity for you to present your real-world experience and share your expertise and best practices with the MySQL community.

Interested in sponsorship and exhibit opportunities? You will find more information here.

We look forward to hearing from you!

Testing Intel SSD 520

Following my previous benchmarks of SATA SSD cards I got Intel SSD 520 240GB into my hands. In this post I show the results of raw IO performance of this card.

The benchmark methodology I described in previous posts, so let me jump directly to results.

First case is random write asynchronous 8 threads IO, the test is done just after a secure erase operation on the card.

The card is doing stable 380 …

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Free webinar: non-blocking MySQL schema changes

Please join me tomorrow (Wednesday) for a webinar about the new version of pt-online-schema-change, Percona Toolkit’s tool for performing nonblocking ALTER TABLE operations. Registration is free. I will explain how the tool works and cover some typical use scenarios. This might be helpful if you’re trying to decide whether the tool is right for you. I am also planning to leave plenty of time for questions!

Further Reading:

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jQuery, PHP and CSS.. NetBeans IDE Still Rocks..

Recently, got an opportunity to do some implementation using Ajax and PHP. Having previously used NetBeans IDE 6.1/6.5 for PHP, it was an obvious choice to come back to NetBeans IDE again.

Although, I am yet to download the latest version, I am currently using 6.8 and I enjoyed every bit of it, while playing with CSS and jQuery for the first time, while implementing Ajax with PHP.

As I am gonna stay with PHP for sometime now, so I guess I better get my NetBeans IDE upgraded, before I miss out on any useful features.

It’s good to be back

Devops in Munich

Devopsdays Mountainview sold out in a short 3 hours .. but there's other events that will breath devops this summer.
DrupalCon in Munich will be one of them ..

Some of you might have noticed that I`m cochairing the devops track for DrupalCon Munich,
The CFP is open till the 11th of this month and we are still actively looking for speakers.

We're trying to bridge the gap between drupal developers and the people that put their code to production, at scale.
But also enhancing the knowledge of infrastructure components Drupal developers depend on.

We're looking for talks both on culture (both success stories and failure) , automation,
specifically looking for people talking about drupal deployments , eg using tools like Capistrano, Chef, Puppet,
We want to hear where Continuous Integration fits in your deployment , do you do Continuous Delivery of a drupal environment.
And how do you …

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MySQL Connect — Call for papers closing soon!

The MySQL Connect call for papers will be closing soon. We have received some very good submissions but yours needs to be included! . No need to panic but May 6th is the cut off date and that is just a few days away. So tell us how you solved problems with MySQL, your approach to scaling, how you teach with MySQL, or something you would like to share.


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LAMP Performance Optimizations – Volume 1


Download PDF Presentation

Get a detailed introduction to the very broad topic of end-to-end performance optimization in web applications based on LAMP stack (Linux, Apache, MySQL, PHP).

Short Url: http://j.mp/EM-LAMP-opt
Presenter: Ronald Bradford
Schedule:

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