A tip for not using Click Here as a link on a web page
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VillageSQL Extensions with versioning
VillageSQL has just released it’s latest version 0.0.5 , describing this as stable release for installations with full MySQL 8.4.10 compatibility. With my primary work around extensions, specifically vsql-statistics , I took the new versioning features for a test.
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.