I don't think Ted talks specifically about Cache', but about OR Mapping in general.

>Thanks, it will be interesting to know his opinion about Cache'.
>
>The hardest thing in understending impedance mistmatch is to understand that there is no problem between OOP and RDBMS. There is a problem between entity-centric model we need to implement advanced logic and document-centric model that still recide on RDB part.
>Databases tend to incorporate logic (with stored procedures for example) and became applications. While applications tend to incorporate stored data. I believe distinguishing of database and software is a main error which causes mistmatching. In future we must never separate them.