Do I have to have equal number of records in each table to combine them?

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I have two tables. One for Feb and one for Mar. The fields are
identiical in each table however the records are not equal in number.
For instance one table Output_MAR_2006 has 107,000 records and
Output_FEB_2006 has 48,000 records. For one field in each table
(Facility VISN) I want to combine to run a report to find out the
trend. The field is a number field, and in the report I need to count a
certian number of records which equal (22) and compare it against FEB
records which equal (22). So I thought it I just add both tables into
one and only select the (Facility VISN) field I could do the math in
the report. However, when I combine them, the the data gets all messed
up. Plus I can never get the report to open. It's like both colums have
to be the same lenght.

David

.



Relevant Pages

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