• Introducing db.py

  Introducing db.py : There are some great Python database libraries (SQLAlchemy instantly comesto mind), but none are focused on using Python as a means of exploring andanalyzing data. What makes a library great for data exploration and analysis? According to db.py authors, it's not about data…

• Optimizing Table Scans with Zone Maps

  Optimizing Table Scans with Zone Maps : To me zone maps sound like clustering columns . Conceptually, they divide a table up into contiguous regions of blockscalled zones (the default zone size being 1024 blocks). For each zone, theOracle database records the minimum and maximum values for…

• Game on: Hortonworks files for IPO

  After raising aprox. $250mil and with $33mil in revenue and $88mil. operating loss in 2014, Hortonworks filed for IPO . I guess the only remaining questions are: is this the right time? how soon will Cloudera and MapR follow? Original title and link: Game on: Hortonworks files for IPO ( NoSQL…

• Sneak Preview - DynamoDB Streams

  Sneak Preview - DynamoDB Streams : Remember CouchDB's _changes feed? DynamoDB will get a similar feature. In a way, the _changes feed is the poor-man triggers. Next you'll want some filtering on it. And then real-time delivery. The new DynamoDB Streams feature is designed to address this very…