资源下载丨Oracle优化工程师常用的34个脚本

墨墨导读：本文分享Oracle驻场工程师常用的脚本，基本上包含了日常监控、维护、故障定位及处理、SQL性能优化大部分场景，有了这些脚本会让你的工作变得更轻松，文末附下载链接。

1. 2pc_clean.txt

2. ash_sql_line_id.txt

3. awr_db_time.txt

4. awr_metric_name.txt

5. bind_noused.txt

6. cursor_purge.txt

7. ddl_metadata.txt

8. dml_get.txt

9. fra_get.txt

10. param_get.txt

11. segment_size.txt

12. session_sid.txt

13. session_spid.txt

14. shared_pool_free.txt

15. sql_monitor.txt

16. tablespace_used.txt

17. temp_used.txt

18. transaction_get.txt

19. undo_used.txt

20. wait_event.txt

21. wait_event_block.txt

22. wait_event_hash.txt

23. wait_event_sqlid.txt

24. wait_session_hash.txt

25. wait_session_sqlid.txt

26. ash_used.txt

27. sql_profile.txt

28. tabstat.txt

29. sqlinfo_total.txt

30. awr_event_histogram.txt

31. ash_top_sql_event.txt

32. sqlhis_awr.txt

33. session_kill.txt

34. redo_switch.txt

2pc_clean.txt

select 'rollback force '||''''||local_tran_id||''''||';' "RollBack"       from dba_2pc_pending       where state='prepared';
select 'exec dbms_transaction.purge_lost_db_entry('||''''||local_tran_id||''''||');' "Purge"       from dba_2pc_pending;

ash_sql_line_id.txt

set linesize 260 pagesize 10000SELECT    SQL_PLAN_HASH_VALUE,    event,    sql_plan_line_id,    COUNT(*)FROM    dba_hist_active_sess_historyWHERE    sql_id = '&SQL_ID'    AND sample_time between        to_date('&date1', 'yyyymmddhh24miss') and        to_date('&date2', 'yyyymmddhh24miss')GROUP BY    SQL_PLAN_HASH_VALUE,sql_plan_line_id,eventORDER BY    4 DESC;

awr_db_time.txt

set linesize 220 pagesize 1000col begin_interval_time for a30col end_interval_time for a30col stat_name for a40WITH sysstat        AS (SELECT ss.instance_number inst_id,       sn.begin_interval_time begin_interval_time,       sn.end_interval_time end_interval_time,       ss.stat_name stat_name,       ss.VALUE e_value,       LAG(ss.VALUE) OVER(partition by ss.instance_number ORDER BY ss.snap_id) b_value  FROM dba_hist_sys_time_model ss, dba_hist_snapshot sn WHERE sn.begin_interval_time >= SYSDATE - &date   AND ss.snap_id = sn.snap_id   AND ss.dbid = sn.dbid   AND ss.instance_number = sn.instance_number   AND ss.dbid = (SELECT dbid FROM v$database)   and ss.stat_name = 'DB time'   and ss.instance_number in (select instance_number from v$instance)              )select inst_id,       begin_interval_time,       end_interval_time,       stat_name,       round((e_value - b_value)/1000/1000/60) value_min  from sysstat  order by 2 desc, 3 desc;

awr_metric_name.txt

set linesize 220 pagesize 1000select METRIC_NAME from V$SYSMETRIC_SUMMARY where lower(METRIC_NAME) like '%&metric_name%';
set linesize 220 pagesize 1000col begin_interval_time for a30col end_interval_time for a30col METRIC_NAME for a45select a.SNAP_ID,       b.BEGIN_INTERVAL_TIME,       b.END_INTERVAL_TIME,       a.METRIC_NAME,       round(a.AVERAGE, 2) AVERAGE,       round(a.MAXVAL, 2) MAXVAL  from dba_hist_sysmetric_summary a, dba_hist_snapshot b where a.SNAP_ID = b.SNAP_ID   and a.INSTANCE_NUMBER = b.INSTANCE_NUMBER   and a.INSTANCE_NUMBER in (select instance_number from v$instance)   and a.METRIC_NAME in ('&metric_name')   and b.BEGIN_INTERVAL_TIME>sysdate-&date order by b.BEGIN_INTERVAL_TIME;

bind_noused.txt

set linesize 220 pagesize 10000set long 999999999col MODULE for a40col sql_id for a30col PARSING_SCHEMA_NAME for a20alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss'select a.sql_id,       a.MODULE,       a.PARSING_SCHEMA_NAME,       a.last_active_time,       a.last_load_time,       a.sql_fulltext,       b.pool_mb,       b.cnt  from v$sqlarea a,       (select max(sql_id) sql_id,               FORCE_MATCHING_SIGNATURE,               round(sum(SHARABLE_MEM / 1024 / 1024)) pool_mb,               count(1) cnt          from v$sqlarea         where FORCE_MATCHING_SIGNATURE > 0           and FORCE_MATCHING_SIGNATURE != EXACT_MATCHING_SIGNATURE         group by FORCE_MATCHING_SIGNATURE        having count(1) > 3         order by count(1) desc) b where a.sql_id = b.sql_id order by cnt desc;

cursor_purge.txt

declare    v_address_hash varchar2(128);begin    select address||', '||hash_value into v_address_hash    from v$sqlarea    where sql_id = '&SQL_ID';sys.dbms_shared_pool.purge(v_address_hash, 'C');end;/

ddl_metadata.txt

set linesize 260set long 999999set pagesize 1000select dbms_metadata.get_ddl(upper('&object_type'),upper('&object_name'),upper('&owner')) FROM DUAL;

dml_get.txt

set linesize 220 pagesize 10000alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';col table_owner for a20col table_name for a30col partition_name for a20col subpartition_name for a20select a.*,sysdate from dba_tab_modifications a where table_name=upper('&table_name');

fra_get.txt

set echo offset lines 300set pagesize 1000col reclaimable for a20COL used for a20COL QUOTA FOR A20COL NAME FOR A30col used1 for 99999 heading 'USED%';prompt "RECOVERY FILE DEST AND SIZE"SELECT substr(name, 1, 30) name, round(space_limit/1024/1024)||'M' AS quota,       round(space_used/1024/1024)||'M'        AS used,round(100*space_used/space_limit) used1,       round(space_reclaimable/1024/1024)||'M' AS reclaimable,        number_of_files   AS files  FROM  v$recovery_file_dest  /
Select file_type, percent_space_used,percent_space_reclaimable,number_of_files as "number" from v$flash_recovery_area_usage/

param_get.txt

set linesize 220 pagesize 1000col ksppinm for a40col ksppstvl for a40col ksppdesc for a100select a.ksppinm, a.ksppdesc,b.ksppstvl,a.inst_id  from sys.x$ksppi a, sys.x$ksppcv b where upper(a.ksppinm) like upper('%&param%')   and a.indx = b.indx    order by a.ksppinm;

segment_size.txt

col owner for a15col segment_name for a29col partition_name for a30col tablespace_name for a29col size_m for 999,999,999col blocks for 999,999,999select owner,segment_name, partition_name,tablespace_name,bytes/1024/1024 size_m,blocks from dba_segments where segment_name=UPPER('&segment_name') order by 1;

session_sid.txt

set linesize 260set pagesize 1000col sid for 99999col spid for a8col event for a30col module for a35col machine for a15col username for a10col holder for a10col final for a10col sql_id for a15col exec_gets for 99999999col seconds for a5col object_id for 999999col param for a30col sql_text for a6col PGA_USE for 9999alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';select a.sid,       a.username,       a.machine,       a.module,       a.event,       a.sql_id,       round(decode(c.executions,0,buffer_gets,buffer_gets/executions)) exec_gets,       a.ROW_WAIT_OBJ# object_id,       a.BLOCKING_INSTANCE||'_'||a.blocking_session  holder,       a.FINAL_BLOCKING_INSTANCE||'_'||a.FINAL_BLOCKING_SESSION final,       to_char(LAST_CALL_ET) seconds,       a.p1 || '_' || a.p2 || '_' || a.p3 param,       b.spid,       trunc(b.PGA_USED_MEM / 1024 / 1024,2) as PGA_USE,       substr(c.sql_text,0,6) sql_text  from v$session a, v$process b,v$sql c where a.paddr = b.addr(+)   and a.status = 'ACTIVE'   and not (a.type = 'BACKGROUND' and a.state = 'WAITING' and        a.wait_class = 'Idle')   and a.sql_id=c.sql_id(+)   and a.sql_child_number=c.CHILD_NUMBER(+)   and a.sid='&SID' order by a.sql_id, a.machine/

session_spid.txt

set linesize 260set pagesize 1000col sid for 99999col spid for a8col event for a30col module for a35col machine for a15col username for a10col holder for a10col final for a10col sql_id for a15col exec_gets for 99999999col seconds for a5col object_id for 999999col param for a30col sql_text for a6col PGA_USE for 9999alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';select a.sid,       a.username,       a.machine,       a.module,       a.event,       a.sql_id,       round(decode(c.executions,0,buffer_gets,buffer_gets/executions)) exec_gets,       a.ROW_WAIT_OBJ# object_id,       a.BLOCKING_INSTANCE||'_'||a.blocking_session  holder,       a.FINAL_BLOCKING_INSTANCE||'_'||a.FINAL_BLOCKING_SESSION final,       to_char(LAST_CALL_ET) seconds,       a.p1 || '_' || a.p2 || '_' || a.p3 param,       b.spid,       trunc(b.PGA_USED_MEM / 1024 / 1024,2) as PGA_USE,       substr(c.sql_text,0,6) sql_text  from v$session a, v$process b,v$sql c where a.paddr = b.addr(+)   and a.status = 'ACTIVE'   and not (a.type = 'BACKGROUND' and a.state = 'WAITING' and        a.wait_class = 'Idle')   and a.sql_id=c.sql_id(+)   and a.sql_child_number=c.CHILD_NUMBER(+)   and b.spid='&SPID' order by a.sql_id, a.machine/

shared_pool_free.txt

set linesize 260 pagesize 1000select pool, name, bytes / 1024 / 1024 / 1024 GB      from v$sgastat     where name like 'free memory'    ;

sql_monitor.txt

SET LONG 1000000SET LONGCHUNKSIZE 1000000SET LINESIZE 1000SET PAGESIZE 0SET TRIM ONSET TRIMSPOOL ONSET ECHO OFFSET FEEDBACK OFFSELECT DBMS_SQLTUNE.REPORT_SQL_MONITOR(  SQL_ID       => '&SQL_ID',  TYPE         => 'TEXT',  REPORT_LEVEL => 'ALL') AS REPORTFROM dual;

tablespace_used.txt

--表空间使用率set linesize 220 pagesize 10000COL SIZE_G FOR A15COL FREE_G FOR A15COL USED_PCT FOR A10COL TABLESPACE_NAME FOR A30SELECT d.tablespace_name,           to_char(nvl(a.bytes / 1024 / 1024 / 1024, 0), '99,999,990.00') size_g,           to_char(nvl(f.bytes, 0) / 1024 / 1024 / 1024, '99,999,990.00') free_g,           to_char(nvl((a.bytes - nvl(f.bytes, 0)) / a.bytes * 100, 0), '990.00') || '%' used_pct    FROM   dba_tablespaces d,           (SELECT tablespace_name, SUM(bytes) bytes            FROM   dba_data_files            GROUP  BY tablespace_name) a,           (SELECT tablespace_name, SUM(bytes) bytes           FROM   dba_free_space           GROUP  BY tablespace_name) f   WHERE  d.tablespace_name = a.tablespace_name(+)          AND d.tablespace_name = f.tablespace_name(+)          AND NOT (d.extent_management = 'LOCAL' AND d.contents = 'TEMPORARY')   ORDER  BY 4 DESC;
--查询temp表空间使用率：select  df.tablespace_name "Tablespace",       df.totalspace "Total(MB)",       nvl(FS.UsedSpace, 0)  "Used(MB)",       (df.totalspace - nvl(FS.UsedSpace, 0)) "Free(MB)",       round(100 * (1-( nvl(fs.UsedSpace, 0) / df.totalspace)), 2) "Pct. Free(%)"FROM  (SELECT tablespace_name, round(SUM(bytes) / 1048576) TotalSpace        FROM   dba_TEMP_files        GROUP  BY tablespace_name) df,       (SELECT tablespace_name, ROUND(SUM(bytes_used) / 1024 / 1024)  UsedSpace        FROM   gV$temp_extent_pool        GROUP  BY tablespace_name) fs  WHERE  df.tablespace_name = fs.tablespace_name(+);

temp_used.txt

--查询temp表空间使用率：select  df.tablespace_name "Tablespace",       df.totalspace "Total(MB)",       nvl(FS.UsedSpace, 0)  "Used(MB)",       (df.totalspace - nvl(FS.UsedSpace, 0)) "Free(MB)",       round(100 * (1-( nvl(fs.UsedSpace, 0) / df.totalspace)), 2) "Pct. Free(%)"FROM  (SELECT tablespace_name, round(SUM(bytes) / 1048576) TotalSpace        FROM   dba_TEMP_files        GROUP  BY tablespace_name) df,       (SELECT tablespace_name, ROUND(SUM(bytes_used) / 1024 / 1024)  UsedSpace        FROM   gV$temp_extent_pool        GROUP  BY tablespace_name) fs  WHERE  df.tablespace_name = fs.tablespace_name(+)
--查询实时使用temp表空间的sql_id和sid：
set linesize 260 pagesize 1000col machine for a40col program for a40SELECT se.username,       sid,       serial#,       se.sql_id       machine,       program,       tablespace,       segtype,       (su.BLOCKS*8/1024/1024) GB  FROM v$session se, v$sort_usage su WHERE se.saddr = su.session_addr order by su.BLOCKS desc;
--需要注意的是这里查询sql_id要用v$session视图的sql_id，而不要用v$sort_usage视图的sql_id，v$sort_usage视图里面的sql_id是不准确的
--查询历史的temp表空间的使用的SQL_ID
select a.SQL_ID,       a.SAMPLE_TIME,       a.program,       sum(trunc(a.TEMP_SPACE_ALLOCATED / 1024 / 1024)) MB  from v$active_session_history a where TEMP_SPACE_ALLOCATED is not null  and sample_time between to_date('&date1', 'yyyy-mm-dd hh24:mi:ss') and to_date('&date2', 'yyyy-mm-dd hh24:mi:ss') group by a.sql_id,a.SAMPLE_TIME,a.PROGRAM order by 2 asc,4 desc;

transaction_get.txt

set linesize 260 pagesize 10000column sess       format a21 heading "SESSION"column program    format a18column clnt_pid   format a8column machine    format a25column username   format a12column osuser     format a13column event      format a32column waitsec    format 999999column start_time format a18column sql_id     format a15column clnt_user  format a10column svr_ospid  format a10
ALTER SESSION SET NLS_DATE_FORMAT = 'yyyy/mm/dd hh24:mi:ss';
set feedback offset echo off
set head offselect chr(9) from dual;select 'Waiting Transactions'||chr(10)||'====================' from dual;set head onselect /*+ rule */       lpad(nvl(s.username,' '),8)||'('||s.sid||','||s.serial#||')' as sess,       p.spid as svr_ospid,       nvl(osuser,' ') as clnt_user,       s.process as clnt_pid,       substr((case instr(s.PROGRAM, '@')                 when 0 then                   s.program                 else                   case instr(s.PROGRAM, '(TNS V1-V3)')                     when 0 then                       substr(s.program, 1, instr(s.PROGRAM, '@') - 1) || substr(s.program, instr(s.PROGRAM, '(') - 1)                     else                       substr(s.program, 1, instr(s.PROGRAM, '@') - 1)                   end                                                         end),              1, 18) as program,       (case             when length(s.MACHINE) > 8 then substr(s.machine,1,8)||'~'            else s.machine        end       ) || '('||nvl(s.client_info, 'Unknown IP')||')' as machine, s.sql_id,       substr(s.event, 1, 32) as event,       s.seconds_in_wait      as waitsec  from v$transaction t,v$session s,v$process p where t.ses_addr=s.saddr and s.paddr=p.addr order by s.seconds_in_wait, s.program, s.machine;

undo_used.txt

--实时的undo使用量set linesize 220set pagesize 1000col username for a20col module for a40col sql_id for a15col status for a10col machine for a20alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';select *  from (select start_time,               username,                s.MACHINE,                s.OSUSER,                r.name,                ubafil, --Undo block address (UBA) filenum                 ubablk, --UBA block number                 t.status,                  (used_ublk * 8192 / 1024) kbtye,                  used_urec,                  s1.SQL_ID,                  substr(s1.SQL_TEXT,0,20)          from v$transaction t, v$rollname r, v$session s, v$sqlarea s1         where t.xidusn = r.usn           and s.saddr = t.ses_addr           and s.sql_id = s1.sql_id(+)         order by 9 desc) where rownum <= 10;

wait_event.txt

set linesize 220set pagesize 1000select inst_id,event,count(*)  from gv$session a where a.status='ACTIVE' and not (a.type = 'BACKGROUND' and a.state='WAITING' and  a.wait_class='Idle') group by inst_id,event order by a.inst_id,count(*) desc;

wait_event_block.txt

set linesize 220set pagesize 1000select inst_id,event,sql_id,BLOCKING_INSTANCE,blocking_session,FINAL_BLOCKING_INSTANCE,FINAL_BLOCKING_SESSION, count(*)  from gv$session a where a.status='ACTIVE' and not (a.type = 'BACKGROUND' and a.state='WAITING' and  a.wait_class='Idle') and upper(event) like upper('%&event%') group by inst_id,event,sql_id,BLOCKING_INSTANCE,blocking_session,FINAL_BLOCKING_INSTANCE,FINAL_BLOCKING_SESSION order by inst_id ,count(*) desc, sql_id;

wait_event_hash.txt

set linesize 220set pagesize 1000select a.event, c.plan_hash_value,max(round(decode(c.executions,0,c.buffer_gets,c.buffer_gets/c.executions))) exec_gets,count(*)  from gv$session a,gv$sql c where a.status='ACTIVE' and not (a.type = 'BACKGROUND' and a.state='WAITING' and  a.wait_class='Idle') and a.sql_id=c.sql_id(+) and a.sql_child_number=c.CHILD_NUMBER(+) and a.inst_id=c.inst_id group by a.inst_id,a.event, c.plan_hash_value order by a.inst_id,count(*) desc, c.plan_hash_value;

wait_event_sqlid.txt

set linesize 220set pagesize 1000select a.inst_id,a.event, a.sql_id,max(round(decode(c.executions,0,c.buffer_gets,c.buffer_gets/c.executions))) exec_gets, count(*)  from gv$session a,gv$sql c where a.status='ACTIVE' and not (a.type = 'BACKGROUND' and a.state='WAITING' and  a.wait_class='Idle') and a.sql_id=c.sql_id(+) and a.sql_child_number=c.CHILD_NUMBER(+) and a.inst_id=c.inst_id group by a.inst_id,a.event, a.sql_id order by a.inst_id,count(*) desc, a.sql_id;

wait_session_hash.txt

set linesize 260set pagesize 1000col sid for 99999col spid for a8col event for a30col module for a35col machine for a15col username for a10col holder for a10col final for a10col sql_id for a15col exec_gets for 99999999col seconds for a5col object_id for 999999col param for a30col sql_text for a6col PGA_USE for 9999alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';select a.sid,       a.username,       a.machine,       a.module,       a.event,       c.plan_hash_value,       round(decode(c.executions,0,buffer_gets,buffer_gets/executions)) exec_gets,       a.ROW_WAIT_OBJ# object_id,       a.BLOCKING_INSTANCE||'_'||a.blocking_session  holder,       a.FINAL_BLOCKING_INSTANCE||'_'||a.FINAL_BLOCKING_SESSION final,       to_char(LAST_CALL_ET) seconds,       a.p1 || '_' || a.p2 || '_' || a.p3 param,       b.spid,       trunc(b.PGA_USED_MEM / 1024 / 1024,2) as PGA_USE,       substr(c.sql_text,0,6) sql_text  from v$session a, v$process b,v$sql c where a.paddr = b.addr(+)   and a.status = 'ACTIVE'   and a.sql_id=c.sql_id(+)   and a.sql_child_number=c.CHILD_NUMBER(+)   and not (a.type = 'BACKGROUND' and a.state = 'WAITING' and        a.wait_class = 'Idle') order by c.plan_hash_value, a.machine/

wait_session_sqlid.txt

set linesize 260set pagesize 1000col sid for 99999col spid for a8col event for a30col module for a35col machine for a15col username for a10col holder for a10col final for a10col sql_id for a15col exec_gets for 99999999col seconds for a5col object_id for 999999col param for a30col sql_text for a6col PGA_USE for 9999alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';select a.sid,       a.username,       a.machine,       a.module,       a.event,       a.sql_id,       round(decode(c.executions,0,buffer_gets,buffer_gets/executions)) exec_gets,       a.ROW_WAIT_OBJ# object_id,       a.BLOCKING_INSTANCE||'_'||a.blocking_session  holder,       a.FINAL_BLOCKING_INSTANCE||'_'||a.FINAL_BLOCKING_SESSION final,       to_char(LAST_CALL_ET) seconds,       a.p1 || '_' || a.p2 || '_' || a.p3 param,       b.spid,       trunc(b.PGA_USED_MEM / 1024 / 1024,2) as PGA_USE,       substr(c.sql_text,0,6) sql_text  from v$session a, v$process b,v$sql c where a.paddr = b.addr(+)   and a.status = 'ACTIVE'   and not (a.type = 'BACKGROUND' and a.state = 'WAITING' and        a.wait_class = 'Idle')   and a.sql_id=c.sql_id(+)   and a.sql_child_number=c.CHILD_NUMBER(+) order by a.sql_id, a.machine/

因篇幅限制，就不在此一一展示了，大家可通过下面链接下载打包好的脚本。
资源下载：https://www.modb.pro/download/43926（复制到浏览器中打开或者点击“阅读原文”立即下载）

作者

邓秋爽，云和恩墨资深技术专家，有超过5年超大型数据库专业服务经验，擅长oracle 数据库优化、SQL优化和troubleshooting。

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