Opening Keynote at MySQL Conf

It’s an early start this morning at 8:20am at MySQL Conference 2007 with CEO Mårten Mickos keynote talk Welcome and State of MySQL AB.

His spirit is evident with his opening slide “The Participatory & Disruptive spirit of the Dolphin.”. Stay tuned for more, it’s going to be a big day today.

Tagged with: Databases General MySQL MySQL Conference &Amp; Expo 2007

Extending MySQL Capabilities with UDFs, Plugins and Components

MySQL offers three different approaches to extending the SQL capabilities with the default product you download and install. These are: User Defined Function (UDF) MySQL Manual MySQL Plugin MySQL Manual MySQL Component MySQL Manual For the purposes of this post I will be using the current LTS version MySQL 8.

Producing One-Sample Z-Test statistics with SQL

The one-sample Z-test determines whether a sample mean differs significantly from a known population mean when the population standard deviation is also known. It is the appropriate test when the population parameters are established — quality control benchmarks, national averages, long-run process measurements — and you want to evaluate whether a new sample is consistent with them.

Switching to JSON Error Logging in MySQL

You no longer need to manually parse the MySQL Error log via scripting and RegEx pattern matching. Using the component_log_sink_json component you can obtain JSON error logging for easier parsing.