Guten Tag Daniel Verite, am Montag, 8. Juni 2020 um 11:05 schrieben Sie: > The caveat you mention about IF NOT EXISTS does not apply to > temporary tables, as they're not shared across sessions.[...] That's what I understood as well, but I'm creating those concurrently WITHIN one and the same session and transaction. :-) And that's where I wanted to make sure that I properly understood things using my questions. Mit freundlichen Grüßen, Thorsten Schöning -- Thorsten Schöning E-Mail: Thorsten.Schoening@xxxxxxxxxx AM-SoFT IT-Systeme http://www.AM-SoFT.de/ Telefon...........05151- 9468- 55 Fax...............05151- 9468- 88 Mobil..............0178-8 9468- 04 AM-SoFT GmbH IT-Systeme, Brandenburger Str. 7c, 31789 Hameln AG Hannover HRB 207 694 - Geschäftsführer: Andreas Muchow