Not sure if I agree about which role is disappearing when, but it does highlight the two types of DBA: - the "Dev DBA" who makes sure ER diagrams are construct

Not sure if I agree about which role is disappearing when, but it does highlight the two types of DBA: - the "Dev DBA" who makes sure ER diagrams are constructed sensibly, knows how to look at an explain plan to see where queries are going wrong, maybe even the odd stored proc (heresy!) - the "Sys Admin DBA" who makes sure the database has enough space, rollback segments are big enough etc etc.