In about one of two projects the customer comes up with the requirement of ‘historization’ of data. And more often then not this lead to an unholy back and forth of discussions, prototypes and complaining. The reason for this as far as I can tell is: This is not a well defined requirement. It can mean many things, and depending on what is meant a different implementation is due. So here is my... moreIn about one of two projects the customer comes up with the requirement of ‘historization’ of data. And more often then not this lead to an unholy back and forth of discussions, prototypes and complaining. The reason for this as far as I can tell is: This is not a well defined requirement. It can mean many things, and depending on what is meant a different implementation is due. So here is my list of possible implementation approaches along with the circumstances in which they might be useful. Note: Back in the times when this blog was mostly German I wrote an article on the options of versioning or ‘historization’. This article you you just read is basically a translated rerun of that article. view page