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Mala's Data Blog

My name is Malathi, a.k.a Mala - I am a DBA turned BI/Data Science person, working with SQL Server since 6.5. I am also founder of the Louisville SQL Server user group, organizer of 8 SQL Saturdays, Regional mentor for northeast, and 12-year PASS conference attendee. In my spare time I love to garden, travel, read, paint, and do yoga.

Archives: March 2017

Basics of Probability

In this post am going to introduce into some of the basic principles of probability – and use it in other posts going forward. Quite a number of people would have learned these things in high school math and then forgotten – I personally needed a refresher. These concepts are… Read more

0 comments, 2,350 reads

Posted in Mala's Data Blog on 20 March 2017

TSQL2sday – Daily database WTF

This month’s TSQL Tuesday is organized by Kennie T Pontoppidan(t) – the topic is ‘Daily Database WTF‘ – or a horror story from the database world.  As someone who has worked databases for nearly two decades, there are several of these – I picked one of… Read more

0 comments, 260 reads

Posted in Mala's Data Blog on 12 March 2017

Generating Frequency Table

This week’s blog post is rather simple. One of the main characteristics of a data set involving classes, or discrete variables – are frequencies. The number of times each data element or class is observed is called its frequency. A table that displays the discrete variable and number of times… Read more

0 comments, 2,289 reads

Posted in Mala's Data Blog on 6 March 2017