Matthew McGiffen wants to find the queries which demand the largest memory grants:
I had a server that looked like it had been suffering from memory contention. I wanted to see what queries were being run that had high memory requirements. The problem was that it wasn’t happening right now – I needed to be able to see what had happened over the last 24 hours.
Enter Query Store. In the run-time stats captured by Query Store are included details relating to memory.
Click through for a script which retrieves this data over a time frame.