Question: I’m working with Google Cloud Firestore. For a particular Document ID, I’m using a modified UUID. In this modified UUID, the last 4 characters are always a string from an integer between 0000-2000. Example IDS would be: 633F7A4A-7A63-400F-932C-97ADF-DC70000 FDA1D934-91E2-418D-8BD6-BAD39-3120001 ...

Question: I have really specific question. I spent many hours to make it work, but I wasn’t successful. Here is piece of my code, how it looks now: What I need to do? mainNames is the main list from which ...

Question: I am creating a schema diagram using the ERD tool and want to add a unique key constraint in my column but it seems there is only not null and primary key option is there any idea how to ...