1. A method for automatic query execution plan and performance stabilization for workloads, the method comprising: gathering an initial set of performance characteristics generated from a database management system (DBMS) executing a database workload according to one or more query execution plans (QEPs), the database workload comprising one or more database statements; determining a QEP change for one or more QEPs of the database workload; gathering a subsequent set of performance characteristics generated from the DBMS executing the one or more QEPs of the database workload influenced by the QEP change; determining a performance difference created by the QEP change based on the initial set of performance characteristics and the subsequent set of performance characteristics; and responding to the performance difference in accordance with a monitoring policy.