SQL for Data Warehousing and Analytics

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I had an interesting response to my first post on the topic of sandboxing ( DBA's Guide to Deploying Sandboxes in the Cloud ). The following question was asked: what is the difference between a data mart and sandbox? This is actually a great question so I thought it would be useful to convert my answer into a short blog post. I am sure there will be lots of different opinions on this topic just as there are alternative names for "sandbox environment" (from analytical sandbox, to analytical appliance to discovery zone etc etc) but here is my attempt at an answer: In my experience data marts tend to be a single subject area data repository and/or linked to a specific corporate application (such as finance, HR, CRM, ERP, logistics, sales tracking etc). The source data is pushed to a specific line of business for analysis. The push and loading processes implements all the necessary data cleansing and transformation routines so the data arrives into its destination ...

I have just uploaded a new workshop on sessionization analytics using the 12c pattern matching feature, MATCH_RECOGNIZE, to the Oracle Learning Library . The workshop is based on analysis of the log files generated by our the Big Data Lite Movieplex application, which is part of our Big Data Lite virtual machine . Oracle Movieplex is a fictitious on-line movie streaming company. Customers log into Oracle MoviePlex where they are presented with a targeted list of movies based on their past viewing behavior. Because of this personalised experience and reliable and fast performance, customers spend a lot of money with the company and it has become extremely profitable.  All the activity from our application is captured in a log file and we are going to analyze the data captured in that file by using SQL pattern matching to create a sessionization result set for our business users and data scientists to explore and analyze. The sections in the workshop (I have recorded a video of this wor...