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SQL: connection.close - Need some hints for a excerice

I became a hint to put in the code a finally statement with a 'connection.close' before the first catch statement appears. I don't see any ways to implement that, could you please give me a short hint how I could handle that?! Many thanks!

Hint is just a hint. You should close connections you created. However, you didn't create it in this method and you might want to use it again later so I suspect it would be a bad idea to close it here.

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