Google – Is both friend and foe

This is an interesting article How Google can make – or break – your company. The plight of a small business that overnight lost it’s high free search results and in the coming months say a 20% drop in sales.

The official response “Just as the web changes constantly, Google continues to modify and refine our algorithms to improve the quality of our objective search results.”

The comment made by the small business “It’s like owning a shop on a busy street corner where all the pedestrians suddenly and mysteriously vanish.” That’s gotto hurt.

The article also delves into a lot more, an interesting read.

Tagged with: General Google

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.