WINDOW_NAME | 
VARCHAR2(30) | 
NOT NULL | 
Name of the maintenance window | 
WINDOW_NEXT_TIME | 
TIMESTAMP(6) WITH TIME ZONE | 
  | 
Next scheduled window open time unless the window is disabled | 
WINDOW_ACTIVE | 
VARCHAR2(5) | 
  | 
Indicates whether the window is currently active (open) (TRUE) or not (FALSE) | 
AUTOTASK_STATUS | 
VARCHAR2(8) | 
  | 
Status of the automated maintenance task subsystem:
 | 
OPTIMIZER_STATS | 
VARCHAR2(8) | 
  | 
Status of optimizer statistics gathering:
 | 
SEGMENT_ADVISOR | 
VARCHAR2(8) | 
  | 
Status of Segment Advisor:
 | 
SQL_TUNE_ADVISOR | 
VARCHAR2(8) | 
  | 
Status of SQL Tuning Advisor:
 | 
HEALTH_MONITOR | 
VARCHAR2(8) | 
  | 
Status of Health Monitor:
 |