In this post, I will describe how to migrate from Oracle APEX 3.0 to Oracle APEX 4.1. I will also focus on some encountered problems as well as the new features of Oracle Application Express (APEX) 4.1.

Starting with MySQL 5.5 it is possible to configure semi-synchronous replication. As you probably know, MySQL replication is asynchronous by default. Asynchronous replication means that events/transactions applied on one server are not immediately applied on the other one.

After my last post - Stop looking for Oracle and MySQL documentation: use the dbi services firefox add-ons! - some of you asked me for firefox search add-ons for Oracle Fusion Middleware (http://download.oracle.com/docs/cd/E17904_01/index.htm). This add-on will provide you a fast a reliable way to find easily what you are looking for in the official Oracle Fusion and Grid Control documentation.

Nowadays, MySQL Databases are encapsulated into many mission critical software solutions. Lots of companies host one or many MySQL databases in their data center, sometimes even without knowing it except when the MySQL service is not available anymore. In order to increase the service availability, it is mandatory to have a monitoring solution. Regardless of if you are using MySQL Server, MySQL replication or cluster, the Oracle/MySQL monitoring solution is called MySQL Enterprise Monitor.

Are you often trying to find functionalities or error codes in Oracle 9iR2, 10gR2, 11gR2, or MySQL documentation? Of course, each time you are looking for this documentation you are finding unofficial documentation which is never corresponding to the version you are looking for...

Since Oracle 11.2, Oracle provides ORION in the RDBMS binaries (in ${ORACLE_HOME}/bin). ORION - ORacle Input Output Numbers - is an I/O calibration tool allowing to simulating and testing I/O performances an Oracle database would be confronted with. ORION basically supports four kinds of database activities based on either small or large I/O. ORION can, as any respectable I/O simulation tool, generate an adapted workload using a given percentage of reads and write operations.

MySQL Workbench provides several necessary tools in order to manage a MySQL environment. MySQL Workbench 5.2 is available for Windows, Mac, and Linux platforms. It encapsulates three main functionalities: SQL Development, Data Modeling, and Server Administration.