Percona Live UK is upon us and I have the privilege to present a tutorial on setting up multi-source replication in MariaDB 10.0 on Nov 3, 2014.

If you’re joining me at PLUK14, we will go over setting up two different topologies that incorporates the features in MariaDB. The first is a mirrored topology:

Replication Topologies – Mirrored

This basically makes use of an existing DR environment by setting it up to be able to write to either master. Please be advised, this is normally not recommended due to the complexity of making your application able to resolve conflicts and …

This week’s log buffer edition collects some of the insightful blog posts from Oracle, SQL Server, and MySQL.

Oracle:

Oracle StorageTek T10000D Tape Drive achieves FIPS 140-2 Validation.

Oracle is a Leader in IDC MarketScape for Global Trade Management.

The Benefits of Integrating a Google Search Appliance with an Oracle WebCenter or Liferay Portal.

Maintenance Windows is too small? Autotask Jobs fail.

SOA Suite 12c: Querying …

OpenSQLCamp Boston has only been over for a week, but I already have about 2/3 of the videos uploaded to YouTube.  I have updated the schedule page with all the videos and slides I knew about.  I welcome comments with more information (e.g. links to slides, or tag or description suggestions for the YouTube videos).

Here’s the list of videos and slides so far (also linked at http://opensqlcamp.org/Events/Boston2010/Schedule):

Adventures in Alternative Energy “Data Monitoring” with MySQL — architecture and design case study – Matt Yonkovit, Percona – video

Cassandra and Lucene – Jake Luciani, Riptano –  …

Bloggers get connected to both the databases and their readers through their blogs. Bloggers act like a bridge here. Log Buffer extends this nexus through the Log Buffer Edition.

Oracle:

MS Sharepoint and Oracle APEX integration.

Just a couple of screenshots of sqlplus+rlwrap+cygwin+console.

Say “Big Data” One More Time (I dare you!)

Update OEM Harvester after 12.1.0.4 Upgrade

Insight in the …

It seems its all about cloud these days. Even the hardware is being marketed with cloud in perspective. Databases like Oracle, SQL Server and MySQL are ahead in the cloud game and this Log Buffer Edition covers that all.

Oracle:

Oracle Database 12c was launched over a year ago delivering the next-generation of the #1 database, designed to meet modern business needs, providing a new multitenant architecture on top of a fast, scalable, reliable, and secure database platform.

Oracle OpenWorld 2014 Session Presentations Now Available.

Today, Oracle is using big data technology and concepts to …

Oracle Open World is in full bloom. Enthusiasts of Oracle and MySQL are flocking to extract as much knowledge, news, and fun as possible. SQL Server aficionados are not far behind too.

Oracle:

Frank Nimphius have announced REST support for ADF BC feature on OOW today. Probably this functionality will be available in the next JDeveloper 12c update release.

RMAN Enhancements New Privilege A new SYSBACKUP privilege is created in Oracle 12c,  it allows the grantee to perform BACKUP and RECOVERY operations with RMAN SQL in RMAN.

To continue with the objective of separating duties and the least privileges, …

All eyes are on the Oracle Open World. Thousands of sessions, demos, and labs topped up with the countless networking opportunities, Moscone Center is the place to be.

Oracle:

Oracle OpenWorld 2014 – Bloggers Meetup.

Query to show sql_ids related to SQL Profiles.

Oracle OpenWorld is nearly upon us and the agenda is packed with interesting sessions. Prominent among these are several sessions by customers who are able to share their stories of success with Oracle Multitenant.

The biggest challenge for people coming to such huge events as Oracle …

As the Oracle Open World draws near, bloggers of MySQL and Oracle are getting more excited and productive. SQL Server bloggers are also not far behind. This Blog Edition covers that all.

Oracle:

What’s New With Fast Data at Oracle Open World 2014?

JASPIC improvements in WebLogic 12.1.3 Arjan Tijms.

Larry Ellison Stepping Down as Chief of Oracle.

Mobilizing E-Business Suite with Oracle MAF and FMW at OOW 14.

Oracle ISV Engineering @ Oracle …

As the amount of data companies are interested in collecting grows, life becomes all the more difficult for IT staff at all levels within an organization. SAS Enterprise storage devices that were once considered giants are now being phased out in favor of SSD Arrays with features such as de-duplication, tape storage has pretty much been abandoned and the same goes without saying for database engines.

For many customers just storing data is not enough because of the CAPEX and OPEX that is involved, smarter ways of storing the same data are required and since databases generally account for the greatest portion of storage requirements across an application stack. Lately they are used not only for storing data but also for storing logs in many cases. IT managers, developers and system administrators very often turn to the DBA and pose the time old question “is there a way we can cut down on the space the database is taking …

In order to expand the knowledge about database features of any kind, blogs are inevitable these days. Whether its Oracle, MySQL, or SQL Server blogs writers are contributing like never before and this log buffer edition skims some of it.

Oracle:

The Oracle Utilities family of products use Oracle standard technology such as the Oracle Database and Oracle Fusion Middleware (a.k.a. Oracle WebLogic).

OBIEE SampleApp in The Cloud: Importing VirtualBox Machines to AWS EC2.

The default value for the INMEMORY_MAX_POPULATE_SERVERS parameter is derived from the …