A Trend in Systems Architecture

I composed the video below on a contract for Intel… but they were kind enough to let me tell the … More

How DBMS Vendors Admit to an Architectural Limitation: Part 2 – Teradata Intelligent Memory

This is the second post (see Part 1 here) on how vendors adjust their architecture without admitting that the previous … More

Thinking About the Pivotal Announcements…

Yesterday I provided a model for how business sees open source as a means to be profitable (here). This is the … More

Open Source is Not a Market…

This post is more about the technology business than about technology… but it may be relevant as you try to … More

The Greenplum ORCA Optimizer

In January Greenplum rolled out a new query optimizer. This is very cool and very advanced stuff. Query optimization is … More

Logical Data Warehouses and the Basics of Database Federation

This post will consider the implications of a full database federation as would be required by a Logical Data Warehouse. … More

Part 7 – How Hadooped is Greenplum, the Pivotal GPDB?

Now for Greenplum & Hadoop… to continue this thread on RDBMS-Hadoop integration (Part 1, Part 2, Part 3, Part 4, Part 5, Part 6) I have suggested … More

Dynamic Late Binding Schemas on Need

I very much like Curt Monash’s posts on dynamic schemas and schema-on-need… here and here are two examples. They make me … More

Part 6: How Hadooped is HANA?

Now for HANA plus Hadoop… to continue this thread on RDBMS-Hadoop integration (Part 1, Part 2, Part 3, Part 4, … More

Part 5: A Review of Processing Push-down

Continuing this thread on RDBMS-Hadoop integration (Part 1, Part 2, Part 3, Part 4) I have suggested that we could … More