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When grouping date values at the query level, you can rely on the DatePart () function. This function evaluates a date value and returns a specific component, so you can use it to group by month ...
You don't need an expertise in SQL to limit the number of records in a group. With your user knowledge of queries and reports, you have all the expertise you need.
I have a mailing list DB in MS Access 97 which has a special field containing an indefinite number of one letter character codes which denote groups (for example: A for alcoholics, B for baptists ...