I'm using a package and need to keep track of the version of the database used.
Initially, I was under the impression that the package was querying a remote
database live and therefore the data version would be the date of my query.
This turned out to be an incorrect assumption, and the database actually came
with the package. Unfortunately, as I encountered discrepancy between different
version of the data, I reinstalled the package and overwrite the original
installation date. I wonder whether there is a log file keeping track of when
and what package was installed in the system (I think Linux has one). Many
thanks! -Qingqin
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