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This shouldn't be so difficult...I have a table with individual rows of data about individual phone calls including each start time and end time. I am trying to show a count by minute of simultaneous on-going phone calls. I couldn't sequence queries to do this, so I had to go to excel and...

Can anyone offer any thoughts on how to solve a problem...I have a table with individual phone calls (one per row) and the time they each arrive by minute (an attribute on the same row). I need to show for every minute of a day (1,440 rows) a count of how many calls arrived. I've tried various...