1. A computer-implemented method of query hint management for a database management system, the method comprising: establishing a set of hint profile data with respect to a hint for a query; detecting, by the database management system, a triggering event; determining, by the database management system based on the set of hint profile data, to perform a hint action in response to the triggering event; initiating performance of the hint action, with the hint action including adding a new query without the hint; detecting a set of computing factors; determining, based on the set of computing factors, whether to process the query or the new query; and processing, based on the determination, at least one of the query or the new query.