本文探讨了在进行数据库操作时遇到的问题，特别是在更新操作后未正确关闭连接导致的异常情况。文中提到，在完成更新查询后若不关闭连接，可能会产生临时文件并引发无法打开数据库文件的异常。因此建议在操作完成后及时关闭连接或妥善处理临时文件。
A database connect, there updated both queries (different statement, and regardless of order), after completing the implementation, not close, will have an extension called s3db-journal of the (temporary) file, if the use of the connect again the update, then generate "unable to open database file" exception.
Therefore, after completing the implementation of a connect or close, or deal with their own temporary files.
转载于:https://www.cnblogs.com/netlyf/p/3952831.html
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