>I have a situation when user may create a query/filter criteria that will make SQL Select to select up to 200,000 records (or even more). The problem with this is that 1) it takes too much time and I don't know how to "allow" user to cancel the selection. 2) I really would prefer to "stop" or not allow user to select that many records. I wish there were a way to set some criteria in SQL Select that would stop selecting once the number of selected records has reached a certain number.
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>Any suggestion to deal with this situation?

* This might help
* If you set it to a large number and there are fewer you just get the fewer rows
* e.g. if you set TOP 100 and there are only 20 rows, you get 20 rows:
SELECT TOP nnnn ;
  ...