David, Thanks for your help in clarifying this and for your endorsement of our book. Tom wrote a follow-up book titled "Bitemporal Data - Theory and Practice" where he...

In most OLTP and DW systems maintaining bi-temporality table by table is time consuming and error prone. It can easily be done for a few tables, but many of...

I appreciate the comment. Yes, that's where the big savings are at -- in the developer time. Most shops that try to implement any kind of temporality do...

We did a very deep dive into looking at Prior Art as did the USPTO examiner. A lot of the prior art was ours, based on the dozens of...

Thanks for the Feedback. Most of my background is in the Insurance biz. Proper Temporal management and auditability is key in that Industry (e.g. for Policy/Eligibility Dates, Claim...