derby.language.logQueryPlan The derby.language.logQueryPlan property, when set to true, tells to write the query plan information into the derby.log file for all executed queries. derby.language.logQueryPlan property Statement executiondebugging Statementsdebugging

This information can help you debug problems within a system.

Example derby.language.logQueryPlan=true
Default

False.

Dynamic or static

This property is static; if you change it while is running, the change does not take effect until you reboot.