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  1. E

    how to select data for calculation

    Dear Guru I have a question in selecting data for calculation I use that for hotel room calculation Date of stay 1/10 - price : 100 2/10 - price : 120 3/10 - price : 100 Now guest stay from 1- 4 Oct , so i need to calcalate the sum of price based on the period of their stay How can i do...
  2. E

    Update the table

    Dear all I have difficulty to update a table. Firstly, i imported excel file to Access,named Registration. After working for a while on around few days, on 1,300 record. There are update on the original excel file and i need to import again to the Registration. First i try to update those...
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