Embodiments of the present disclosure relate to a method, apparatus, device and computer readable storage medium for managing an index are provided. The method for managing an index may include: determining a target index for target data stored in a database, the target index having a corresponding index tag for identifying a stored version of the target index. The method may further include acquiring, based on the target index, the target data stored in the database, the target data having a corresponding data tag for identifying a stored version of the target data. The method may further include determining, in response to the index tag not matching the data tag, an operation associated with the target index.