Sean D. Stuber

Oracle’s July 2026 Database Release Update (19.32 and 23.26.3) contains an unannounced fix for a subtle bug in Centrally Managed Users.

After a 7-year hiatus from speaking at any conferences, I’ll be presenting at KScope 26 in Denver.

When I’m tackling a complex performance problem spanning multiple programs, machines, services, etc.

I’ve started keeping configuration information for Oracle’s Connection Manager in tables and then generating the cman.ora file needed for each listener.

Reactor Part 1 is a simple recursion with limited paths, so I used CONNECT BY where the device (source) of each row is contained within the output (target) of the prior row.

Movie Theater Part 1 was pretty straightforward.

Playground This one felt tricky at first with lots of words and seemingly numerous combinations of how to arrange the boxes, but the solutions turned out to be fairly straightforward.

Laboratories This one was a little misleading, but that’s probably more due to me assuming too much going in than any tricky wording.

Trash Compactor Like Day-5, I accepted a slight efficiency hit by reading the data twice for logical convenience.

Cafeteria I accepted a small inefficiency in part 1 by reading through all of the data twice in order to come up with two data sources.