July 25, 2008

Further thoughts on DATAllegro/Microsoft

My first, biggest thought about DATAllegro’s acquisition by Microsoft is “Why the ____ did it have to happen while I was trying to relax on my annual Cayman vacation???” Not coincidentally, I don’t plan to neatly cross-link all my posts and so on about DATAllegro/Microsoft until I get back to Acton this weekend.

One linking screwup is that I previously forgot to mention that — in addition to the numerous posts here — I also made several DATAllegro/Microsoft-related posts on my Network World blog A World of Bytes.  They include: Read more

July 24, 2008

Other early coverage of Microsoft/DATAllegro

July 24, 2008

DATAllegro could provide Microsoft with a true enterprise data warehouse sooner than you think

Jim Ericson of DM Review emailed the excellent questions:

Does DATAllegro give MSFT full-service high end data warehousing capability? If not, what is missing?

My quick answers are:

Both are largely a matter of product maturity, and as a young company DATAllegro isn’t quite there yet.

That said, integration with Microsoft SQL Server is apt to be a big help in addressing both issues. Read more

July 24, 2008

The data warehouse DBMS consolidation has begun

There are, or soon will be, a number of strong players in the market for data warehouse specialty DBMS.

That doesn’t leave a lot of room for other players. Read more

July 24, 2008

How will Oracle save its data warehouse business?

By acquiring DATAllegro, Microsoft has seriously leapfrogged Oracle in data warehouse technology. All doubts about maturity and versatility notwithstanding, DATAllegro has a 10X or better size advantage (actually, I think it’s more like 20-40X) versus Oracle in warehouses its technology can straightforwardly handle. Oracle cannot afford to let this move go unanswered.

It’s of course possible that Oracle has been successfully developing comparable data warehouse technology internally. But it’s unlikely. Oracle hasn’t done anything that radical, internally and successfully, for about 15 years, RAC (Real Application Clusters) excepted. (I.e., since the object/relational extensibility framework started in Release 7.) So in all likelihood, the answer will come via acquisition. I think there are four candidates that make the most sense: Teradata, Vertica, ParAccel, and Greenplum. Kognitio (controlled by former Oracle honcho Geoff Squire) might be in the mix as well. Netezza is probably a non-starter because of its hardware-centric strategy.

Here’s why I’m emphasizing Teradata, Vertica, ParAccel, and Greenplum: Read more

July 24, 2008

Microsoft is buying DATAllegro

I’ve long argued that:

Microsoft has now validated my claim by agreeing to buy DATAllegro. As you probably know, we’ve been covering DATAllegro extensively, as per the links listed below.

Basic deal highlights include: Read more

July 24, 2008

Long, confused overview of data warehouse DBMS vendors

Steven Swoyer has an article for Enterprise Systems that covers a lot of issues in data warehouse technology. Unfortunately, however, it doesn’t always cover them correctly. E.g., he seems to imply that columnar architectures aren’t relational.  (Oops.)  I wouldn’t put too much credence in the other market segmentations he posits either.

Some of his theses, however, are basically correct.  E.g., he points out that demand for fast, cost-effective, (almost) unconstrained ad hoc queries keeps growing, and that much of the recent innovation is concerned with supplying them.

July 21, 2008

Project Cassandra — Facebook’s open sourced quasi-DBMS

Edit: I posted much fresher information about Cassandra in July, 2010.

Facebook has open-sourced Project Cassandra, an imitation of Google’s BigTable.  Actual public information about Facebook’s Cassandra seems to reside in a few links that may be found on the Cassandra Project’s Google code page.  All the discussion I’ve seen seems to be based solely on some slides from a SIGMOD presentation. In particular, Dare Obasanjo offers an excellent overview of Cassandra.  To wit: Read more

July 10, 2008

Pushback on the PostgreSQL vs. MySQL comparison

It should come as no surprise that not everybody agrees with EnterpriseDB’s views on the PostgreSQL/MySQL comparison. In particular, the High Availability MySQL blog offers a detailed rebuttal post, with more in the comment thread. According to MySQL fans, EnterpriseDB got its facts wrong on several matters regarding MySQL and InnoDB, especially in the areas of triggers and locking. And of course they disagree with EnterpriseDB’s general conclusion. 🙂

July 10, 2008

How is MySQL’s join performance these days?

In a comment thread on a recent post comparing MySQL to Postgres, Jonathon Moore chimed in based on experience with both products. His characterization of some MySQL problems: Read more

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