但当查看v$session可以看到status一直是INACTIVE. 同时开另一个session,不做任何事。(last_call_et一直在增加) 而在query的session,last_call_et只是在0,1之间变化。 oracle doc: LAST_CALL_ETNUMBERIf the sessionSTATUSis currentlyACTIVE, then the value represents the elapsed time in seconds since the sessi...