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[Music] lets assume you have a trading script that performs some sort of computations pretty much all the time and then adds them to a table in a database and you need to access those those records you need to access the latest records as they come in so that you can do certain search you can perform certain types type of actions be it like lets say a trading decision or something so you you could go in the approach in which you have a while loop in which you just constantly look out for new records and then basically you map the ID the primary key to the the latest one that youve seen and then basically if they differ that means you got a new record but that can be that can be a lot of overhead because you its not gonna be that fast and youre gonna have a lot of challenges because you wont be able to run that in due time so that you can make a trading decision on the spot as new as new records come in therefore what you can do you can actually use PG notify from Postgres so the
