Thanks in advance for any advice. We are counseling agency that sees couples and individuals. I want to count how many sessions we do by practitioner. and how many clients we see. We have a table called Appointments that has: Appointment ID Patient ...

Hello! new user here so thanks in advance. I have 2 tables - customers and appointments. In the appointments table, each row is a different appointment (date) made by a customer. I would like to identify the first appointment date made by a customer ...