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Displaying posts with tag: Oracle (reset)
MySQL Connect Conference: My Experience

It was a great experience to attend the MySQL Connect Conference for the first time ever. Personally I was very much enthralled to present about "How to make MySQL Backups" besides attending different sessions to absorb more knowledge about the technical prospects of MySQL. One of the agenda items in my presentation was "MySQL Enterprise Backup" functionality and features. There were total of 40 attendees in the session, who were very much interested about the MySQL Enterprise Backup product and gave positive feedback as well as areas of improvements on our product. Some of our features brought lot of excitement and smile amongst our customers including,

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Act NOW to maximise the chance of your bugs being fixed before 5.6 is declared production ready!

As an RC release, MySQL 5.6 has gone through extensive QA. But what matters most is whether 5.6 works for your environment and application needs - and now's the ideal time to test that, and provide us with any feedback on what needs fixing as we approach GA.

Entity Framework 4.3.1 Code based Migrations and Connector/Net 6.6

 Code-based migrations is a new feature as part of the Connector/Net support for Entity Framework 4.3.1. In this tutorial we'll see how we can use it so we can keep track of the changes done to our database creating a new application using the code first approach.

Upgrading to Code Based Migrations EF 4.3.1 with Connector/Net 6.6

This walk through is based on the approach of code first and it assumes you have a basic understanding of code first Entity Framework, so please make sure to check this subject before going further with Entity Framework Code Based Migrations. The purpose of this post is to show you how you can upgrade your existing database and use the Code First Migrations to keep track of the changes done in your model and replicate them to your database.

Optimistic non-locking copy of InnoDB .frm files


MySQL Enterprise Backup(MEB) does hot backup of innodb data and log files. Till MEB 3.6.1, the user backs up the only innodb tables in a 3 step process:

STEP 1. Take backup using --only-innodb option

STEP 2. Temporarily make the table read only by executing “FLUSH TABLES WITH READ LOCK”

STEP 3. Manually copy the .frm files of innodb tables to the destination directory where backup is stored.

 


MEB 3.7.0 has an enhancement to innodb file copying. The .frm files gets copied along with the hot backup done for innodb files. I would like to make the blog a little interactive by explaining the feature as answers:


1. What are these .frm files?


The files containing the metadata, such as the table definition, of a MySQL table.

For backups, the full set of .frm files are always required …

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Open World 2012

In prior years a daily update from Open World was possible, but this year my schedule was too full to support it. This is my compendium of thoughts about MySQL Connect, JavaOne, and Open World 2012.

MySQL Connect was great – good sessions re-enforcing the positive investments Oracle is making in the product. I’ll leave to others to qualify changes in what elements of technology are opened or closed along the road to a better MySQL. The announcement of Connector/Python 1.0 GA on Saturday was great news and as a community we owe a lot to Greet Vanderkelen.

NoSQL is a hot topic along with using JSON objects and it was interesting hearing of some unequal testing paradigms to position non-Oracle solutions to be “better” …

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MySQL Server 5.6 defaults changes

We're improving the MySQL Server defaults, as announced by Tomas Ulin at MySQL Connect. Here's what we're changing:

 Setting
 Old  New  Notes
back_log  50  50 + ( max_connections / 5 ) capped at 900
binlog_checksum  NONE  CRC32
 New variable in 5.6. 5.5 doesn't accept the checksums. Use NONE if you want to read …
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Slides for MySQL Connect session "Save Your Data: How to Make MySQL Backups"

I just uploaded slides for MySQL Connect session "Save Your Data: How to Make MySQL Backups" which we did together with Hema Sridharan. Enjoy!

MySQL Connector/Python v1.0 goes GA!

Today, during MySQL Connect 2012 keynote, the General Availability of MySQL Connector/Python 1.0 was announced! This is the first GA release of Oracle’s pure Python database driver for MySQL.

MySQL Connector/Python v1.0 works with MySQL 5.5 and 5.6, but older versions of the MySQL servers are known to work. For Python, version v2.6, v2.7 and v3.1 and greater are officially supported. Python v2.4/2.5 are know to work as well.

As always, we welcome your feedback and questions through our bug system or using the MySQL Python forum.

Some useful links:

  • Documentation: …
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Tips for Leveraging Oracle OpenWorld 2012 From Pythian Marketing

With Oracle OpenWorld just around the corner & MySQL Connect already underway I can’t believe yet another year has passed.  This is my third OOW and I must have a following as folks are already reaching out to me on twitter @pythiansimmons (log buffer lady seems to be a handle I can’t seem to shake). [...]

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