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multi access query based on date, user, device

pma111 asked
Last Modified: 2018-12-16
I have an extract of data which I've imported into access which represents represents login/logoff activity of users/pc's. We have some suspicions that officers may be sharing accounts & passwords, which is a breach of policy. I wanted a way in access to query the data , to list all rows of data, ordered by date, whereby on the same day, the same account is logged into more than 1 unique machines. At present the key columns are field1 (the date, in the format dd/mm/yyyy), field 6 (the PC the account is logged onto, which in the format PC12345 for example), and field3 (the users account, in the format of text, username, e.g. jbloggs). If the account is logged into more than one unique PC, on the same day, I would like to see those records for further investigation. What would be the best way to filter the data to list all rows which fit this criteria.
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