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SQL query to return a column per date in date range with sum of contract utilisations (value/duration)

My question is similar but more elaborate than another already in stackexchange.com "SQL query to return a column per date in date range?" I have the following data: Customer Start_date ...
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EXCEL sheets batch input to Access

I have a lot of Excel datasheet (in one file) I want to batch input to Access but I can't find a sample code to do it the name of datasheet in access is same as in excel is there any code of ...