MySQL Camp II – Introductions

We have started MySQL Camp II . The first session is Introductions.

I didn’t catch all the employers, but here is part of the list of attendees at the Introduction section. Great to see multiple people from many places including ESPN , priceline.com , Proven Scaling , Solid Tech – sponsors of Dorsal Source , ForSaleByOwner . fontshop.com , 9Mmedia , CafeMom , JP Morgan , Upoc , ClubMom , Stock Photo Finder , AmieStreet ,LogicWorks , Skoll – Distributed Continuous QA , AOL , Minggl , Minggl New Test Site , Visibone . Others include OnlineBuddies.com, NT Snort User Group, DreamweaverNY User Group, A law firm. As well as a few people from MySQL .

Many people mentioned having an Oracle background, or working with Oracle now, at least 6 people that heard me speak at “MySQL DBABootcamp for the Oracle DBA” last week.

There were a lot of MySQL Beginners here which was really great.

And now we are onto the discussion of the sessions.

Tagged with: Databases MySQL MySQL Camp 2 - 2007

Producing IQR and Outlier statistics with SQL

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

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

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.