Upcoming book – Expert PHP and MySQL

This month will see the release of the book Expert PHP and MySQL which I was a co-author of. Initially this will be available for purchase in PDF format from the Wrox website and I am hopeful this will be available in print format for the MySQL Users Conference .

More then just your standard PHP and MySQL there is detailed content on technologies including Memcached, Sphinx, Gearman, MySQL UDFs and PHP extensions. We will be posting more information at www.ExpertPhpandMySQL.com . You can download a PDF version of Chapter 1 Techniques Every Expert Programmer Needs to Know .

The book includes the following content:

  1. Techniques Every Expert Programmer Needs to Know
    • Advanced PHP Constructs
      • MySQL Drivers and Storage Engines
        • Improved Performance through Caching
          • Memcached MySQL
            • Advanced MySQL
              • Extending MySQL with User-defined Functions
                • Writing PHP Extensions
                  • Full Text Search using SPHINX
                    • Multi-tasking in PHP and MySQL
                      • Rewrite Rules
                        • User Authentication with PHP and MySQL
                          • Understanding the INFORMATION_SCHEMA
                            • Security
                              • Service and Command Lines
                                • Optimization and Debugging
Tagged with: Databases MySQL PHP

Producing IQR and Outlier statistics with SQL

The interquartile range (IQR) measures the spread of the middle 50% of a distribution — the distance between the first quartile (Q1) and the third quartile (Q3). Combined with Tukey’s 1.

Producing Mode statistics with SQL

The mode is the value or values that appear most frequently in a dataset. Unlike the mean or median, it applies naturally to categorical and ordinal data — star ratings, product codes, survey responses — and reveals what is most common, not what is average.

Extending MySQL Capabilies with UDFs, Plugins and Components - Part 2

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 In my prior post I provided a new uuidv function that accepted a numeric argument to return a string of the version of UUID specified.