I have two tables, T1 and T2. T1 has field F1 with values A, A, A, B, B, C, D, D. T2 has field F2 with values A, B, B, B, C, D. I need a query that will give me a count of every F1 value that is in F2. If I just join the fields, I get F1: A(3), B(6), C(1) and D(2). In other words, I'm...