指定工夫范畴为:ASH.SAMPLE_TIME >= SYSDATE - 60 / 24 / 60 / 60),格局起因,调整为/
COL WAIT FOR 999;COL TOTAL FOR 999;COL IO FOR 999;COL CPU FOR 999;col SCHEMANAME for a16;COL SID FOR 9999COL MACHINE FOR A18;COL OSUSER FOR A15;COL PROGRAM FOR A30;COL EVENT FOR A32;SELECT S.SID,       ASH.SQL_ID,       Q.SQL_TEXT,       S.SCHEMANAME,       S.EVENT,       ASH.PROGRAM,       SUBSTR(ASH.MACHINE,              INSTR(ASH.MACHINE, '' || CHR(92) || '', -1, 1) + 1) MACHINE,       SUBSTR(S.OSUSER, INSTR(S.OSUSER, '' || CHR(92) || '', -1, 1) + 1) OSUSER,       SUM(DECODE(ASH.SESSION_STATE, 'ON CPU', 1, 0)) "CPU",       SUM(DECODE(ASH.SESSION_STATE, 'WAITING', 1, 0)) -       SUM(DECODE(ASH.SESSION_STATE,                  'WAITING',                  DECODE(ASH.WAIT_CLASS, 'USER I/O', 1, 0),                  0)) "WAIT",       SUM(DECODE(ASH.SESSION_STATE,                  'WAITING',                  DECODE(ASH.WAIT_CLASS, 'USER I/O', 1, 0),                  0)) "IO",       SUM(DECODE(ASH.SESSION_STATE, 'ON CPU', 1, 1)) "TOTAL"  FROM V$ACTIVE_SESSION_HISTORY ASH  LEFT JOIN V$SESSION S    ON ASH.SESSION_ID = S.SID  LEFT JOIN V$SQL Q    ON S.SQL_ID = Q.SQL_ID   AND S.SQL_ADDRESS = Q.ADDRESS   AND S.SQL_HASH_VALUE = Q.HASH_VALUE WHERE ASH.SAMPLE_TIME >= SYSDATE - 60 / (24 * 60 * 60) GROUP BY S.SID,          S.SCHEMANAME,          ASH.SQL_ID,          Q.SQL_TEXT,          S.EVENT,          ASH.PROGRAM,          SUBSTR(ASH.MACHINE,                 INSTR(ASH.MACHINE, '' || CHR(92) || '', -1, 1) + 1),          SUBSTR(S.OSUSER, INSTR(S.OSUSER, '' || CHR(92) || '', -1, 1) + 1)HAVING SUM(DECODE(ASH.SESSION_STATE, 'ON CPU', 1, 1)) > = 2 ORDER BY SUM(DECODE(ASH.SESSION_STATE, 'ON CPU', 1, 1)) DESC;