MSMQ v Database Table

Question

An existing process changes the status field of a booking record in a table, in response to user input.

I have another process to write, that will run asynchronously

Answer 1

If the rate at which booking records is created is low I would have the second process periodically check the table for new bookings.

Unless you are already using MSMQ, introducing it just gives you an extra platform component to support.

If the database is heavily loaded, or you get a lot of lock contention with two process reading and writing to the same region of the bookings table, then consider introducing MSMQ.