First of all, stay with the three index tags. Can you give me some examples of records you want to filter on, and I can give you filters which will be optimized.
>Hi
>Thanks for the answer. However, I don't think i can do without a $ because for one department i could have many sections and the same goes for unit. And the thing is that I may need to see the records of a number of departments or the records of only certain sections, etc...