DELETE TrapVarBinds FROM (SELECT TOP 1000 TrapVarBinds.TrapID FROM TrapVarBinds LEFT JOIN Traps ON TrapVarBinds.TrapID=Traps.TrapID WHERE Traps.TrapID IS NULL) AS T1 WHERE(TrapVarBinds.TrapID = T1.TrapID)
Can someone tell me what this does? Seems to be eating tons of my SQL resources.
Thanks.