On Thursday, March 19, 2020, pabloa98 <pablo...@gmail.com> wrote: > > >> We will use a CACHE 1. This is because when nextval('seq') is invoked, we > are hitting 3 or 4 more tables so the sequence will not be a performance > blocker (compared with all the operations in the transaction). >
The other implementation detail to remember is: “Because nextval and setval calls are never rolled back, sequence objects cannot be used if “gapless” assignment of sequence numbers is needed.” David J.