Blogspot - julianhyde.blogspot.com - Julian Hyde on Streaming Data, Open Source OLAP. And stuff.
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Efficient SQL queries on MongoDB 18 Jun 2013 | 05:15 am
How do you integrate MongoDB with other data in your organization? MongoDB is great for building applications, and it has its own powerful query API, but it's difficult to mash up data between MongoDB...
Gathering requirements for olap4j 2.0 3 Jun 2013 | 10:35 pm
It's time to start thinking about olap4j version 2.0. My initial goal for olap4j version 1.0 was to decouple application developers from Mondrian's legacy API. We've far surpassed that goal. Many app...
Need help 1 May 2013 | 06:28 am
I was amused by this note I just received via email. Subject: Need help To: jhyde@users.sourceforge.net From: Respected Sir, we are doing a final year project as Student Data warehouse for BE degre...
Optiq latest 2 Mar 2013 | 02:29 am
Optiq has been developing steadily over the past few months. Those of you who watch github will know most of this already, but I thought I'd summarize what's been going on. (This post originally appe...
Announcing Lingual 27 Feb 2013 | 04:31 am
The last few months, I've been collaborating on a project with Chris Wensel, the author of Cascading. Last week we announced Lingual, an open source project that puts a SQL interface on top of Cascadi...
Explaining holidays to a 3 year old 1 Jan 2013 | 01:18 pm
Your birthday involves presents and cake. The day after your birthday you are allowed to say "I am x", where x is the number of candles on your cake. 4th of July is the birthday of our country, which...
Mondrian in Action in Action 1 Nov 2012 | 03:06 am
I couldn't resist. When the Mondrian in Action book is published in the spring, it will look something like this... Artist's conception of the upcoming bestseller, "Mondrian in Action"
Mondrian in Action 31 Oct 2012 | 11:51 pm
I am delighted to announce an upcoming book all about Mondrian, called "Mondrian in Action". Some chapters are available in electronic form now, and the final print version is scheduled to hit the she...
Pesky quoted identifiers in SQL 11 Jun 2012 | 05:35 am
The SQL that Mondrian generates is, until now, different than the SQL that most people would write by hand. Most people don't use spaces or punctuation in table and column names, and don't enclose ide...
From the ashes of the database revolution... 7 Jun 2012 | 07:45 pm
With NoSQL and Hadoop, the database world has undergone a revolution. The fighting reached its peak a couple of years ago, but things have calmed down since, and now is a good time to take stock of ol...
