I need assistance in creating a formula that allows me to compare data between two sheets. I have a first sheet containing a table with data, specifically the first name and last name in column A and B, the date in cell A1. I would like, on the second sheet, if the first name, last name, and date match the data on the first sheet, to have an "X" appear in the cell corresponding to that person and date. Please see attached file.
Could someone please help me in creating such a formula? I would greatly appreciate any suggestions and guidance!
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