RESET SQL - Language Statements RESET restore the value of a run-time parameter to a default value RESET variable RESET ALL Inputs variable The name of a run-time parameter. See for a list. ALL Resets all run-time parameters to default values. Description RESET restores run-time parameters to their default values. Refer to for details. RESET is an alternate form for SET variable TO DEFAULT Diagnostics See under the command. Examples Set DateStyle to its default value: RESET DateStyle; Set Geqo to its default value: RESET GEQO; Compatibility RESET is a Postgres extension.