Hi,
Is it possible that the database would update and the jar files for the jdbc drivers will become outdated and the connection to the database will disappear?
Sure, it's possible. The connection wouldn't disappear though, just stop working.
Each JDBC driver's documentation usually has some kind of supported version Matrix, and it's possible that you could be connected to a really old DB version with a really old JDBC driver and that JDBC driver stops working if your DB gets upgraded to something too new.
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