Database access performance improvement

In an approach for database log management and log access performance improvement, a processor receives an access request for an optimal control file to minimize a database access performance impact. A processor determines the optimal control file based on usage of a plurality of control files for a database. A processor outputs the optimal control file to a user to access the database. A processor provides an incremental sub-control file of the optimal control file to the user. The incremental sub-control file is an incremental view of the optimal control file to query the incremental log data in the database.