Data source providing method, device and medium

Abstract

The application provides a data source providing method and device and a medium, and relates to the technical field of databases.The method comprises the following steps: in response to the starting of an information management system application on a user terminal, the information management system application scans a local device to obtain an encrypted file; if the encrypted file is obtained in the local device, the information management system application decrypts the encrypted file to obtain a database file and store the database file in the local device, and the database file data is displayed in a database connection; if the encrypted file is not obtained in the local device, the information management system application prompts that the data is missing; and in response to the closing of the information management system application on the user terminal, the information management system application empties the database file in the local device.The application can use database data without networking, and ensures the security of the database data in the local device of the user terminal.

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