Am Wed, Dec 21, 2022 at 03:41:24PM +0100 schrieb Laurenz Albe: > I would definitely go for the backup, but here is how you can > create these three rows in PostgreSQL v15: > > INSERT INTO pg_collation > (oid, collname, collnamespace, collowner, collprovider, > collisdeterministic, collencoding, collcollate, collctype) > VALUES > (100, 'default', 11, 10, 'd', TRUE, -1, NULL, NULL), > (950, 'C', 11, 10, 'c', TRUE, -1, 'C', 'C'), > (951, 'POSIX', 11, 10, 'c', TRUE, -1, 'POSIX', 'POSIX'); Many thanks ! I wasn't so sure whether inserting appropriate rows would be equivalent to create collation... (pg_collation might have been a view projecting inner workings of the server engine). Thanks, Karsten -- GPG 40BE 5B0E C98E 1713 AFA6 5BC0 3BEA AC80 7D4F C89B