Patent 11392586 was granted and assigned to ZTE on July, 2022 by the United States Patent and Trademark Office.
Disclosed are a data protection method and device and a storage medium. The method includes that a database execution engine receives data request information sent by a client; a preset policy corresponding to an identity of the client carried in the data request information is acquired and the database execution engine performs a data protection operation for requested data according to the preset policy to obtain target data; and the database execution engine sends the target data to the client.