擷取資料庫30天內各個指標的TOP語句

要查詢短時間內的可以從v$sql 或者是v$sqlarea 如果要查詢一周或者一個月內 那麼有可能在V$SQLAREA裡找不到!下面是通過曆史DBA_HIST_SQLSTAT裡獲得, 這個是通過快照方式保留下來的.

--執行時間最長的WITH  BASTABLE AS (    SELECT DBMS_LOB.SUBSTR(SQL_TEXT,4000, 1 ) AS SQL_FULL_TEXT,         DHST.SQL_ID,         ROUND (X.ELAPSED_TIME / 1000000 / X.EXECUTIONS_DELTA, 3) AVG_ELAPSED_TIME_SEC,         ROUND (X.CPU_TIME / 1000000 / X.EXECUTIONS_DELTA, 3) AVG_CPU_TIME_SEC,          ROUND (X.BUFFER_GETS_DELTA / X.EXECUTIONS_DELTA, 3) AVG_BUFFER_GETS,           ROUND (X.PARSE_CALLS_DELTA/X.EXECUTIONS_DELTA*100, 3) EXEC_PARSE_RATE,         ROUND (X.PHYSICAL_READ_BYTES_DELTA/1024/X.EXECUTIONS_DELTA, 3) AVG_PHYSICAL_READ_KB,          ROUND (X.DISK_READS_DELTA / X.EXECUTIONS_DELTA, 3) AVG_DISK_READS,               EXECUTIONS_DELTA AS EXEC_TOTAL_NUM,DHST.COMMAND_TYPE,N.COMMAND_NAME            FROM DBA_HIST_SQLTEXT DHST, DBA_HIST_SQLCOMMAND_NAME    N,           (            SELECT DHSS.SQL_ID SQL_ID,                 SUM (DHSS.CPU_TIME_DELTA) CPU_TIME,                    SUM (DHSS.ELAPSED_TIME_DELTA) ELAPSED_TIME,                    CASE SUM (DHSS.EXECUTIONS_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.EXECUTIONS_DELTA) END AS EXECUTIONS_DELTA,                 CASE SUM (DHSS.SORTS_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.SORTS_DELTA) END AS SORTS_DELTA,                      CASE SUM (DHSS.FETCHES_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.FETCHES_DELTA) END AS FETCHES_DELTA,                 CASE SUM (DHSS.PARSE_CALLS_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.PARSE_CALLS_DELTA) END AS PARSE_CALLS_DELTA,                 CASE SUM (DHSS.DISK_READS_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.DISK_READS_DELTA) END AS DISK_READS_DELTA,                 CASE SUM (DHSS.BUFFER_GETS_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.BUFFER_GETS_DELTA) END AS BUFFER_GETS_DELTA,                 CASE SUM (DHSS.IOWAIT_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.IOWAIT_DELTA) END AS IOWAIT_DELTA,                 CASE SUM (DHSS.PHYSICAL_READ_BYTES_DELTA) WHEN 0 THEN 1 ELSE SUM (DHSS.PHYSICAL_READ_BYTES_DELTA) END AS PHYSICAL_READ_BYTES_DELTA                                                                                                                                                                                                     FROM DBA_HIST_SQLSTAT DHSS            WHERE DHSS.SNAP_ID IN                   (SELECT SNAP_ID                      FROM DBA_HIST_SNAPSHOT                     WHERE BEGIN_INTERVAL_TIME >= TRUNC(SYSDATE)-30                    AND END_INTERVAL_TIME <TRUNC(SYSDATE)-0                  )            AND DHSS.PARSING_SCHEMA_NAME =UPPER('SHARK')                                GROUP BY DHSS.SQL_ID          ) X    WHERE X.SQL_ID = DHST.SQL_ID        AND DHST.COMMAND_TYPE = N.COMMAND_TYPE )SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, AVG_DISK_READS AS VALUE_S, 'AVG_DISK_READS' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%' ORDER BY AVG_DISK_READS DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, AVG_ELAPSED_TIME_SEC AS VALUE_S, 'AVG_ELAPSED_TIME_SEC' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%'  ORDER BY AVG_ELAPSED_TIME_SEC DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, AVG_CPU_TIME_SEC AS VALUE_S, 'AVG_CPU_TIME_SEC' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%'  ORDER BY AVG_CPU_TIME_SEC DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, AVG_BUFFER_GETS AS VALUE_S, 'AVG_BUFFER_GETS' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%'  ORDER BY AVG_BUFFER_GETS DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, EXEC_PARSE_RATE AS VALUE_S, 'EXEC_PARSE_RATE' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%'  ORDER BY EXEC_PARSE_RATE DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, AVG_PHYSICAL_READ_KB AS VALUE_S, 'AVG_PHYSICAL_READ_KB' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47 ORDER BY AVG_PHYSICAL_READ_KB DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, EXEC_TOTAL_NUM AS VALUE_S, 'EXEC_TOTAL_NUM' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE<>47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%'  ORDER BY EXEC_TOTAL_NUM DESC ) WHERE ROWNUM <=5UNION ALL SELECT * FROM (SELECT SQL_FULL_TEXT,SQL_ID,EXEC_TOTAL_NUM, AVG_ELAPSED_TIME_SEC AS VALUE_S, 'PROCEDURES_EXEC_TIME' AS VALUES_TYPE FROM BASTABLE WHERE COMMAND_TYPE=47  AND SQL_FULL_TEXT NOT LIKE '/* SQL A%'  ORDER BY AVG_ELAPSED_TIME_SEC DESC ) WHERE ROWNUM <=5;