常用的数据库管理SQL语句（二）

九.统计联机前10名用户所使用CPU时间

SQL> SELECT * FROM

2 (SELECT 'P', S.SID,S.STATUS,T.VALUE / 100 / 60 "CPU TIME",

3 FLOOR (LAST_CALL_ET / 60 ) "LAST CALL ET",TO_CHAR(S.LOGON_TIME,'MM/DD HH24:MI') "LOGON TIME",

4 S.USERNAME,S.PROCESS,P.SPID,S.MODULE,S.MACHINE,

S.SQL_HASH_VALUE

5 FROM V$SESSTAT T,V$SESSION S,V$PROCESS P

6 WHERE T.STATISTIC# = 12 AND S.SID = T.SID AND S.PADDR = P.ADDR AND S.TYPE = 'USER'

7 AND S.SQL_HASH_VALUE != 1425819161 UNION SELECT 'N',

8 S.SID,S.STATUS,T.VALUE * -1 / 100 / 60 "CPU TIME",

9 FLOOR (LAST_CALL_ET / 60 ) "LAST CALL ET",TO_CHAR(S.LOGON_TIME,'MM/DD HH24:MI') "LOGON TIME",

10 S.USERNAME,S.PROCESS,P.SPID,S.MODULE,S.MACHINE,

S.SQL_HASH_VALUE

11 FROM V$SESSTAT T,V$SESSION S,V$PROCESS P

12 WHERE T.STATISTIC# = 12 AND S.SID = T.SID AND S.PADDR = P.ADDR AND S.TYPE = 'USER'

13 AND S.SQL_HASH_VALUE != 1425819161

14 AND T.VALUE < 0

15 ORDER BY 4 DESC)

16 WHERE ROWNUM < 11;

'P' SID STATUS CPU TIME LAST CALL ET LOGON TIME USERNAME PROCESS SPID MODULE MACHINE SQL_HASH_VALUE

--- ---------- -------- ---------- ------------ ----------- ------------------------------ ------------ ------------ ------------------------------------------------ ---------------------------------------------------------------- --------------

P 1533 INACTIVE 25.3363333 0 08/17 15:28 SYSMAN 1234 1822 OEM.SystemPool db1 0

P 1498 INACTIVE 20.5493333 13 10/26 16:23 SOLEILFUZHOU 8968 11046 java@WEBSERVER2 (TNS V1-V3) WEBSERVER2 4283697136

P 1493 ACTIVE 18.8611666 0 08/17 15:29 DBSNMP 3688 3866 emagent@db1 (TNS V1-V3) db1 0

P 1465 INACTIVE 12.3526666 121 10/26 20:43 SOLEILFUZHOU 32512 32638 java@WEBSERVER3 (TNS V1-V3) WEBSERVER3 0

P 1500 INACTIVE 12.3035 0 10/26 16:23 SOLEILFUZHOU 8968 11048 java@WEBSERVER2 (TNS V1-V3) WEBSERVER2 2314313480

P 1538 INACTIVE 11.9511666 227 10/26 20:43 SOLEILFUZHOU 32512 32640 java@WEBSERVER3 (TNS V1-V3) WEBSERVER3 1912375278

P 1545 INACTIVE 5.44716666 119 10/26 16:23 SOLEILFUZHOU 8968 11044 java@WEBSERVER2 (TNS V1-V3) WEBSERVER2 1912375278

P 1511 INACTIVE 4.597 89558 08/20 14:56 SOLEILFUZHOU 23615 22500 java@WEBSERVER2 (TNS V1-V3) WEBSERVER2 0

P 1540 INACTIVE 2.36633333 1810 08/15 14:16 SOLEILFUZHOU 23615 30341 java@WEBSERVER2 (TNS V1-V3) WEBSERVER2 2715598771

P 1630 ACTIVE 1.55233333 0 08/15 12:21 SYS 9190 10029 racgimon@db1 (TNS V1-V3) db1 2346103937

10 rows selected

十：统计前10名排序量最大的使用者

SQL> SELECT * FROM (SELECT S.SID,S.STATUS,B.SPID,S.SQL_HASH_VALUE SESSHASH,

2 U.SQLHASH SORTHASH,S.USERNAME,U.TABLESPACE,SUM(U.BLOCKS * P.VALUE / 1024 / 1024)

3 MBUSED,SUM(U.EXTENTS) NOEXTS,U.SEGTYPE,S.MODULE || '-' || S.PROGRAM PROGINFO

4 FROM V$SORT_USAGE U,V$SESSION S,V$PARAMETER P,V$PROCESS B

5 WHERE U.SESSION_ADDR = S.SADDR AND P.NAME = 'DB_BLOCK_SIZE'

6 AND B.ADDR = S.PADDR GROUP BY S.SID,S.STATUS,B.SPID,S.SQL_HASH_VALUE,

7 U.SQLHASH,S.USERNAME,U.TABLESPACE,U.SEGTYPE,S.MODULE || '-' || S.PROGRAM

8 ORDER BY 8 DESC,4)

9 WHERE ROWNUM < 11;

SID STATUS SPID SESSHASH SORTHASH USERNAME TABLESPACE MBUSED NOEXTS SEGTYPE PROGINFO

---------- -------- ------------ ---------- ---------- ------------------------------ ------------------------------- ---------- ---------- --------- --------------------------------------------------------------------------------

十一：统计前10名数据等待事件

SQL> SELECT * FROM (SELECT EVENT,TOTAL_WAITS,TIME_WAITED,AVERAGE_WAIT

2 FROM V$SYSTEM_EVENT WHERE EVENT NOT LIKE '%IPC%'

3 AND EVENT NOT LIKE 'SQL*NET%'

4 AND EVENT NOT LIKE 'PIPE%'

5 AND EVENT NOT LIKE 'NULL%'

6 AND EVENT NOT LIKE 'WAKEUP%'

7 AND EVENT NOT LIKE 'PX%'

8 AND EVENT NOT LIKE '%TIMER%'

9 ORDER BY 3 DESC)

10 WHERE ROWNUM < 101;

EVENT TOTAL_WAITS TIME_WAITED AVERAGE_WAIT

---------------------------------------------------------------- ----------- ----------- ------------

rdbms ipc message 119829424 9484828486 79.15

jobq slave wait 22321120 5517001961 247.17

SQL*Net message from client 355319260 5165327887 14.54

gcs remote message 485381465 1368716151 2.82

Streams AQ: waiting for messages in the queue 2159832 1350292859 625.18

class slave wait 799866 824348163 1030.61

Streams AQ: qmn slave idle wait 276580 721687184 2609.33

DIAG idle wait 34794348 684920856 19.68

ges remote message 115824798 684714731 5.91

pmon timer 2419561 684648008 282.96

ASM background timer 2897175 684597236 236.3

smon timer 1460456 684164267 468.46

virtual circuit status 233798 682660364 2919.87

dispatcher timer 116900 680302241 5819.52

Streams AQ: qmn coordinator idle wait 505458 679457024 1344.24

Streams AQ: waiting for time management or cleanup tasks 41394 662178271 15996.96

log file sequential read 2433424 31321584 12.87

direct path read temp 136113170 24235677 0.18

db file parallel write 7259212 8125206 1.12

SQL*Net message from dblink 203115263 7331295 0.04

十二：统计前10名使用CURSOR最多

SQL> SELECT * FROM ( SELECT S.SID,V0.VALUE CUM_OPEN_CURSORS,

2 V1.VALUE CUR_OPEN_CURSORS,

3 V2.VALUE CACHE_HITS,

4 V3.VALUE CACHE_COUNT,

5 V4.VALUE HARD_PARSE,

6 V5.VALUE - V4.VALUE SOFT_PARSE,

7 S.OSUSER,S.MACHINE,

8 NVL(S.MODULE,S.PROGRAM) PROGINFO FROM V$SESSTAT V0,V$SESSTAT V1,V$SESSTAT V2,V$SESSTAT V3,

9 V$SESSTAT V4,V$SESSTAT V5,V$SESSION S WHERE V0.STATISTIC# = 2

10 AND V0.SID = S.SID AND V1.STATISTIC# = 3 AND V1.SID = S.SID

11 AND V2.STATISTIC# = 191 AND V2.SID = S.SID

12 AND V3.STATISTIC# = 192 AND V3.SID = S.SID

13 AND V4.STATISTIC# = 180 AND V4.SID = S.SID

14 AND V5.STATISTIC# = 179 AND V5.SID = S.SID

15 ORDER BY 3 DESC, 7 DESC)

16 WHERE ROWNUM < 11;

SID CUM_OPEN_CURSORS CUR_OPEN_CURSORS CACHE_HITS CACHE_COUNT HARD_PARSE SOFT_PARSE OSUSER MACHINE PROGINFO

---------- ---------------- ---------------- ---------- ----------- ---------- ---------- ------------------------------ ---------------------------------------------------------------- ------------------------------------------------

1533 20448 47 1 114062 55172 -55172 oracle db1 OEM.SystemPool

1641 628681 28 192 174896 607373 -582053 oracle db1 oracle@db1 (MMON)

1493 118371 22 11914 51293 512581656 -512568710 oracle db1 emagent@db1 (TNS V1-V3)

1606 4824 9 122 4787 8294 -8262 Administrator WORKGROUP\NUAGE-TEST1 PL/SQL Developer

1488 53050 8 3 22829 394397 -394397 oracle db1 OEM.Loader

1531 365 6 0 4 809 -809 oracle db1 emagent@db1 (TNS V1-V3)

1490 1403 6 0 4 11628610 -11628610 Administrator WORKGROUP\NUAGE-TEST1 PL/SQL Developer

1630 4429 5 0 0 7629 -7629 oracle db1 racgimon@db1 (TNS V1-V3)

1576 34 4 0 1 77 -77 oracle db1 racgimon@db1 (TNS V1-V3)

1468 31 4 0 0 676 -676 root rdb1 oracle@rdb1 (TNS V1-V3)

10 rows selected

十三：查询最常用的表

SQL> SELECT OWNER ,SUBSTR(SEGMENT_NAME,1,30) SEGMENT_NAME,OBJECT_TYPE,TOTAL_BUFF_BUSY_WAITS

2 FROM ( SELECT OWNER,OBJECT_NAME AS SEGMENT_NAME,OBJECT_TYPE,VALUE AS TOTAL_BUFF_BUSY_WAITS

3 FROM V$SEGMENT_STATISTICS WHERE STATISTIC_NAME IN ('BUFFER BUSY WATIS')

4 ORDER BY TOTAL_BUFF_BUSY_WAITS DESC)

5 WHERE ROWNUM <=30;

OWNER SEGMENT_NAME OBJECT_TYPE TOTAL_BUFF_BUSY_WAITS

------------------------------ ------------------------------------------------------------ ------------------ ---------------------

十四：查询SID对应到操作系统的PID

SQL> SELECT SS.SID,P.SPID FROM V$SESSION SS,V$PROCESS P,V$SESSTAT ST,V$STATNAME SN

2 WHERE ST.STATISTIC# = SN.STATISTIC#

3 AND SS.SID='111' AND SS.PADDR=P.ADDR

4 AND SS.SID=ST.SID;

SID SPID

---------- ------------

十五：查询数据库运行的天数

SQL> SELECT SYSDATE - LOGON_TIME "DAYS",(SYSDATE - LOGON_TIME) * 24

2 "HOURS" FROM SYS.V_$SESSION WHERE SID = 1;

DAYS HOURS

---------- ----------

十六：监控目前正在使用的SQL

SQL> SELECT C.SPID B1,B.OSUSER C1,B.USERNAME C2,

2 B.SID B2,B.SERIAL# B3,A.SQL_TEXT FROM

3 V$SQLTEXT A,V$SESSION B,V$PROCESS C

4 WHERE A.ADDRESS = B.SQL_ADDRESS AND B.STATUS = 'ACTIVE'

5 AND B.PADDR = C.ADDR AND A.HASH_VALUE = B.SQL_HASH_VALUE

6 ORDER BY C.SPID,A.HASH_VALUE,A.PIECE;

B1 C1 C2 B2 B3 SQL_TEXT

------------ ------------------------------ ------------------------------ ---------- ---------- ----------------------------------------------------------------

31329 Administrator SOLEILFUZHOU 1487 17233 SELECT C.SPID B1,B.OSUSER C1,B.USERNAME C2, B.SID B2,B.SERIAL#

31329 Administrator SOLEILFUZHOU 1487 17233 B3,A.SQL_TEXT FROM V$SQLTEXT A,V$SESSION B,V$PROCESS C WHERE A.A

31329 Administrator SOLEILFUZHOU 1487 17233 DDRESS = B.SQL_ADDRESS AND B.STATUS = 'ACTIVE' AND B.PADDR = C.A

31329 Administrator SOLEILFUZHOU 1487 17233 DDR AND A.HASH_VALUE = B.SQL_HASH_VALUE ORDER BY C.SPID,A.HASH_V

31329 Administrator SOLEILFUZHOU 1487 17233 ALUE,A.PIECE

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