在HelloDBA网站找到一个分析sql性能的工具—showplan，记录一下

showplan.sql下载路径：http://www.HelloDBA.com/Download/showplan.zip

使用方式就是调用该工具，传入SQL_ID作为参数。

SQL> @/dmp/showplan.sql 26xj87b2f8g6u

---showplan.sql

-- ################################################################################
-- #
-- # name: showplan.sql v1.0
-- #
-- # File: showplan.sql
-- # Description: Show SQL Plan and performance details
-- # Usage: @showplan <SQL_ID> [Plan Hash Value] [Details: [+](B)inds|SQL (T)ext|(Pee(K)ed Binds|(P)lan|(O)utlines|Pre(D)icate|Plan (L)oading|(W)ait events|(S)tatistics]
-- # Created: 2014-03-12
-- # Author: Wei Huang
-- # Web Site: www.HelloDBA.com
-- #Latest Version: http://www.HelloDBA.com/download/showplan.zip
-- # User run as: dba
-- # Tested DB: 11gR2
-- # Parameters: 1: SQL_ID of SQL to be shown
-- # Parameters: 2: Plan Hash Value, if null (Default), will show all plans
-- # Parameters: 3: Details to be shown: [+](B)inds|SQL (T)ext|(Pee(K)ed Binds|(P)lan|(O)utlines|Pre(D)icate|Plan (L)oading|(W)ait events|(S)tatistics,
-- # default is BPDTLWS; + stand for the default options
-- #
-- # Copyright (c) 2014 Wei Huang
-- #
-- # History
-- # Modified by When Why
-- # ----------- ------- ----------------------------------------------------
-- ################################################################################
set autot off verify off feedback off pagesize 50000 lines 2000 long 10000000 longchunksize 10000000 serveroutput on size unlimited format wrapped buffer 99999999 head off
set termout off
col p1 noprint
col p2 new_value 2 noprint
col p3 new_value 3 noprint
select null p2, null p3 from dual where 1=2;
select nvl(upper(decode(upper('&2'),'NULL',null,upper('&2'))),null) p2, nvl(upper(decode(upper('&3'),'NULL','BPDTLWS',upper('&3'))),'BPDTLWS')||decode(instr('&3','+'),0,'','BPDTLWS') p3 from dual;
set termout on
clear columns
col xxx format a2000

prompt Usage: @showplan <SQL_ID> [Plan Hash Value] [Details: [+](B)inds|SQL (T)ext|(Pee(K)ed Binds|(P)lan|(O)utlines|Pre(D)icate|Plan (L)oading|(W)ait events|(S)tatistics]
prompt Description: Show SQL Plan
prompt

set termout off
var sqlid varchar2(32);
var planHashValue varchar2(32);
var showOptions varchar2(32);
begin select '&1', decode(upper('&2'),'NULL',null,'&2'), nvl(upper(decode(upper('&3'),'NULL','BPDTLWS',upper('&3'))),'BPDTLWS')||decode(instr('&3','+'),0,'','BPDTLWS') into :sqlid, :planHashValue, :showOptions from dual; end;
/
set termout on

with q as (select /*+materialize*/*
from (select sql_fulltext from v$sqlarea where sql_id=:sqlid
union all
select sql_text from dba_hist_sqltext
where sql_id=:sqlid and not exists (select 1 from v$sqlarea where sql_id=:sqlid))),
p as (select /*+materialize*/*
from (select m.SQL_ID,SQL_PLAN_HASH_VALUE PLAN_HASH_VALUE,PLAN_LINE_ID ID,PLAN_PARENT_ID PARENT_ID,
PLAN_OPERATION OPERATION,p.OTHER_TAG,PLAN_OPTIONS OPTIONS,PLAN_OBJECT_NAME OBJECT_NAME,
PLAN_OBJECT_TYPE OBJECT_TYPE,p.OPTIMIZER,PLAN_COST COST,OUTPUT_ROWS||' rows' CARDINALITY,
PHYSICAL_READ_BYTES+PHYSICAL_WRITE_BYTES||'/'||PLAN_BYTES BYTES,
p.access_predicates, p.filter_predicates, p.parsing_schema_name
from v$sql_plan_monitor m, (select p.SQL_ID, p.PLAN_HASH_VALUE, p.ID, p.CHILD_ADDRESS, p.OTHER_TAG,
p.OPTIMIZER, p.access_predicates, p.filter_predicates, q.parsing_schema_name
from v$sql_plan p, v$sql q
where p.SQL_ID=:sqlid AND (:planHashValue is NULL or p.PLAN_HASH_VALUE=to_number(:planHashValue))
and p.sql_id=q.sql_id(+) and p.CHILD_ADDRESS=q.CHILD_ADDRESS(+)
union
select p.SQL_ID, p.PLAN_HASH_VALUE, ID, null CHILD_ADDRESS, p.OTHER_TAG,
p.OPTIMIZER, access_predicates, p.filter_predicates, q.parsing_schema_name
from dba_hist_sql_plan p, dba_hist_sqlstat q
where p.SQL_ID=:sqlid AND (:planHashValue is NULL or p.PLAN_HASH_VALUE=to_number(:planHashValue))
and p.sql_id=q.sql_id(+) and p.PLAN_HASH_VALUE=q.PLAN_HASH_VALUE(+)
and not exists (select 1 from V$SQL_PLAN p1
where p1.SQL_ID=:sqlid AND (:planHashValue is NULL or p1.PLAN_HASH_VALUE=to_number(:planHashValue)))) p
where m.SQL_ID=:sqlid AND (:planHashValue is NULL or m.SQL_PLAN_HASH_VALUE=to_number(:planHashValue))
and last_refresh_time = (select max(last_refresh_time) from v$sql_plan_monitor m
where m.SQL_ID=:sqlid AND (:planHashValue is NULL or m.SQL_PLAN_HASH_VALUE=to_number(:planHashValue)))
and m.SQL_ID=p.SQL_ID(+) and m.SQL_PLAN_HASH_VALUE=p.PLAN_HASH_VALUE(+) and m.PLAN_LINE_ID=p.ID(+) and m.SQL_CHILD_ADDRESS=p.CHILD_ADDRESS(+)
union
select p.SQL_ID,p.PLAN_HASH_VALUE, p.ID, p.PARENT_ID,p.OPERATION,p.OTHER_TAG,p.OPTIONS,p.OBJECT_NAME,
p.OBJECT_TYPE, p.OPTIMIZER,p.COST,''||p.CARDINALITY CARDINALITY,''||p.BYTES BYTES,
p.access_predicates, p.filter_predicates, q.parsing_schema_name
from V$SQL_PLAN p, v$sql q
where p.SQL_ID=:sqlid AND (:planHashValue is NULL or p.PLAN_HASH_VALUE=to_number(:planHashValue))
and p.child_number = (select max(child_number) from V$SQL_PLAN p1
where p1.SQL_ID=:sqlid AND (:planHashValue is NULL or p1.PLAN_HASH_VALUE=to_number(:planHashValue)))
and not exists (select 1 from v$sql_plan_monitor m
where m.SQL_ID=:sqlid AND (:planHashValue is NULL or m.SQL_PLAN_HASH_VALUE=to_number(:planHashValue)))
and p.sql_id=q.sql_id(+) and p.CHILD_ADDRESS=q.CHILD_ADDRESS(+)
union
select p.SQL_ID,p.PLAN_HASH_VALUE, p.ID, p.PARENT_ID,p.OPERATION,p.OTHER_TAG,p.OPTIONS,p.OBJECT_NAME,
p.OBJECT_TYPE,p.OPTIMIZER,p.COST,''||p.CARDINALITY CARDINALITY,''||p.BYTES BYTES,
p.access_predicates, p.filter_predicates, q.parsing_schema_name
from dba_hist_sql_plan p, dba_hist_sqlstat q
where p.SQL_ID=:sqlid AND (:planHashValue is NULL or p.PLAN_HASH_VALUE=to_number(:planHashValue))
and timestamp = (select max(timestamp) from dba_hist_sql_plan p1
where p1.SQL_ID=:sqlid AND (:planHashValue is NULL or p1.PLAN_HASH_VALUE=to_number(:planHashValue)))
and not exists (select 1 from v$sql_plan_monitor m
where m.SQL_ID=:sqlid AND (:planHashValue is NULL or m.SQL_PLAN_HASH_VALUE=to_number(:planHashValue)))
and not exists (select 1 from V$SQL_PLAN p1
where p1.SQL_ID=:sqlid AND (:planHashValue is NULL or p1.PLAN_HASH_VALUE=to_number(:planHashValue)))
and p.sql_id=q.sql_id(+) and p.PLAN_HASH_VALUE=q.PLAN_HASH_VALUE(+))),
pa as ( select /*+materialize*/sql_plan_hash_value plan_hash_value, sql_plan_line_id,
sql_plan_operation||' '||nvl(sql_plan_options,'') sql_plan_op,nvl(event, 'ON CPU') event,
TEMP_SPACE_ALLOCATED, PGA_ALLOCATED, current_obj#, count(*) over () total_waits
from v$active_session_history
where sql_plan_line_id is not null and sql_id=:sqlid AND (:planHashValue is NULL or SQL_PLAN_HASH_VALUE=to_number(:planHashValue))
union all
select sql_plan_hash_value plan_hash_value, sql_plan_line_id,
sql_plan_operation||' '||nvl(sql_plan_options,'') sql_plan_op,nvl(event, 'ON CPU') event,
TEMP_SPACE_ALLOCATED, PGA_ALLOCATED, current_obj#, count(*) over () total_waits
from dba_hist_active_sess_history
where not exists (select 1 from v$active_session_history
where sql_id=:sqlid AND (:planHashValue is NULL or SQL_PLAN_HASH_VALUE=to_number(:planHashValue)))
and sql_plan_line_id is not null and sql_id=:sqlid AND (:planHashValue is NULL or SQL_PLAN_HASH_VALUE=to_number(:planHashValue))),
pl as ( select plan_hash_value, sql_plan_line_id, sql_plan_op, total_waits, count(*) waits
from pa
group by plan_hash_value, sql_plan_line_id, sql_plan_op, total_waits),
we as (select pa.plan_hash_value, pa.event, o.owner||'.'||o.object_name||'('||o.object_type||')' wait_object,
count(*) waits, total_waits from pa, dba_objects o
where pa.current_obj#=o.object_id
group by pa.plan_hash_value, pa.event, o.owner, o.object_name, o.object_type, total_waits),
pb as (select /*+inline*/plan_hash_value,b.name,b.value,
decode(b.type#,
1, 'VARCHAR2('||b.maxlength||')',
2, decode(b.scale, null,
decode(b.precision#, null, 'NUMBER', 'FLOAT'),
'NUMBER'),
8, 'LONG',
9, 'VARCHAR('||b.maxlength||')',
12, 'DATE',
23, 'RAW', 24, 'LONG RAW',
69, 'ROWID',
96, 'CHAR('||b.maxlength||')',
100, 'BINARY_FLOAT',
101, 'BINARY_DOUBLE',
105, 'MLSLABEL',
106, 'MLSLABEL',
112, 'CLOB',
113, 'BLOB', 114, 'BFILE', 115, 'CFILE',
178, 'TIME(' ||b.scale|| ')',
179, 'TIME(' ||b.scale|| ')' || ' WITH TIME ZONE',
180, 'TIMESTAMP(' ||b.scale|| ')',
181, 'TIMESTAMP(' ||b.scale|| ')' || ' WITH TIME ZONE',
231, 'TIMESTAMP(' ||b.scale|| ')' || ' WITH LOCAL TIME ZONE',
182, 'INTERVAL YEAR(' ||b.precision#||') TO MONTH',
183, 'INTERVAL DAY(' ||b.precision#||') TO SECOND(' ||
b.scale || ')',
208, 'UROWID',
'UNDEFINED') data_type
from v$sql_plan m, xmltable('/*/peeked_binds/bind' passing xmltype(m.OTHER_XML)
columns name varchar2(4000) path '/bind/@nam',
type# varchar2(4000) path '/bind/@dty',
precision# varchar2(4000) path '/bind/@pre',
scale varchar2(4000) path '/bind/@scl',
maxlength varchar2(4000) path '/bind/@mxl',
value varchar2(4000) path '/bind') b
where m.sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue))
and trim(OTHER_XML) is not null),
mb as (select /*+inline*/m.sid,m.session_serial#,sql_id,b.name,b.data_type,b.value
from V$SQL_MONITOR m, xmltable('/binds/bind' passing xmltype(m.BINDS_XML)
columns name varchar2(30) path '/bind/@name',
data_type varchar2(30) path '/bind/@dtystr',
value varchar2(4000) path '/bind') b
where m.sql_id = :sqlid
and exists (select 1 from V$SQL_MONITOR m1
where m1.sid=m.sid and m1.session_serial#=m.session_serial# and m1.sql_id=m.sql_id
and (not exists (select 1 from v$sql_plan
where sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue)))
or exists (select 1 from v$sql_plan p
where sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue))
and m1.sql_child_address=p.child_address))
group by sid,session_serial#,sql_id
having max(m1.last_refresh_time)=m.last_refresh_time)
and m.BINDS_XML is not null),
ol as (select /*+inline*/plan_hash_value,b.hint
from v$sql_plan m, xmltable('/*/outline_data/hint' passing xmltype(m.OTHER_XML)
columns hint varchar2(4000) path '/hint') b
where m.sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue))
and trim(OTHER_XML) is not null),
bc as ( select distinct name,datatype,datatype_string,value_string from v$sql_bind_capture
where sql_id = :sqlid
and last_captured = (select max(last_captured) from v$sql_bind_capture c
where sql_id = :sqlid
and (not exists (select 1 from v$sql_plan
where sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue)))
or exists (select 1 from v$sql_plan p
where sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue))
and c.child_address=p.child_address)))),
bc1 as ( select distinct b.name,b.datatype,b.datatype_string,b.value_string,b.snap_id from dba_hist_sqlbind b, dba_hist_snapshot s
where b.sql_id = :sqlid and b.snap_id=s.snap_id and b.instance_number=s.instance_number
and not exists (select 1 from bc)
and b.snap_id = (select max(c.snap_id) from dba_hist_sqlbind c
where sql_id = :sqlid)),
cb as (select /*+materialize*/*
from (select LISTAGG('var '||substr(name,2)||' '||decode(datatype_string,'VARCHAR2(4001)','CLOB',datatype_string)||';' ,chr(10)) WITHIN GROUP (ORDER BY name) var,
LISTAGG('exec '||name||':='||nvl2(value_string,decode(datatype,1,'''','')||value_string||decode(datatype,1,'''','')||';','null;'),chr(10)) WITHIN GROUP (ORDER BY name) exe
from bc
union all
select LISTAGG('var '||substr(name,2)||' '||decode(datatype_string,'VARCHAR2(4001)','CLOB',datatype_string)||';' ,chr(10)) WITHIN GROUP (ORDER BY name) var,
LISTAGG('exec '||name||':='||nvl2(value_string,decode(datatype,1,'''','')||value_string||decode(datatype,1,'''','')||';','null;'),chr(10)) WITHIN GROUP (ORDER BY name) exe
from bc1
group by snap_id)
where (var is not null or exe is not null)),
sd as (select PLAN_HASH_VALUE, '1,Loads: '||q.LOADS||'; 2,Load Versions: '||q.LOADED_VERSIONS||'; 3,First Load Time: '||q.FIRST_LOAD_TIME||'; 4,Last Load Time: '||q.LAST_LOAD_TIME||'; 5,User Openings: '||q.USERS_OPENING||'; 6,Parse Calls: '||q.PARSE_CALLS||'; 7,Executions: '||q.EXECUTIONS||'; 8,Sorts(Average): '||round(q.SORTS/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||'; 9,Fetches(Average): '||round(q.FETCHES/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||'; 10,Disk Reads(Average): '||round(q.DISK_READS/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||'; 11,Buffer Gets(Average): '||round(q.BUFFER_GETS/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||'; 12,Elapsed Time(Average): '||ROUND(q.ELAPSED_TIME/1000/1000/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||' seconds; 13,CPU Time(Average): '||ROUND(q.CPU_TIME/1000/1000/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||' seconds; 14,Run Time Memory(Average): '||ROUND(q.RUNTIME_MEM/1024/1024/decode(nvl(q.EXECUTIONS,0),0,1,q.EXECUTIONS),3)||'M' str,
';' spliter
from (select PLAN_HASH_VALUE, sum(LOADS) LOADS, min(FIRST_LOAD_TIME) FIRST_LOAD_TIME, max(LAST_LOAD_TIME) LAST_LOAD_TIME,
sum(LOADED_VERSIONS) LOADED_VERSIONS, sum(USERS_OPENING) USERS_OPENING, sum(EXECUTIONS) EXECUTIONS,
sum(PARSE_CALLS) PARSE_CALLS, sum(SORTS) SORTS, sum(FETCHES) FETCHES, sum(DISK_READS) DISK_READS,
sum(BUFFER_GETS) BUFFER_GETS, max(RUNTIME_MEM) RUNTIME_MEM, sum(CPU_TIME) CPU_TIME,
sum(ELAPSED_TIME) ELAPSED_TIME
from v$sql
where sql_id=:sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue))
group by PLAN_HASH_VALUE
union
select PLAN_HASH_VALUE, max(LOADS_TOTAL) LOADS, null FIRST_LOAD_TIME, null LAST_LOAD_TIME,
max(LOADED_VERSIONS) LOADED_VERSIONS, 0 USERS_OPENING, max(EXECUTIONS_TOTAL) EXECUTIONS,
max(PARSE_CALLS_TOTAL) PARSE_CALLS, max(SORTS_TOTAL) SORTS, max(FETCHES_TOTAL) FETCHES,
max(DISK_READS_TOTAL) DISK_READS, max(BUFFER_GETS_TOTAL) BUFFER_GETS, 0 RUNTIME_MEM,
max(CPU_TIME_TOTAL) CPU_TIME, max(ELAPSED_TIME_TOTAL) ELAPSED_TIME
from dba_hist_sqlstat
where sql_id=:sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue))
and not exists (select 1 from v$sqlarea where sql_id = :sqlid and (:planHashValue is NULL or PLAN_HASH_VALUE=to_number(:planHashValue)))
group by PLAN_HASH_VALUE) q
where EXECUTIONS is not null and CPU_TIME is not null and ELAPSED_TIME is not null),
ss as (select /*+materialize*/*
from (select PLAN_HASH_VALUE, max(temp_size) temp_size, 0 pga_size
from (select t.SESSION_ADDR,nvl(q.PLAN_HASH_VALUE,99999999999999) PLAN_HASH_VALUE,
nvl(sum(t.BLOCKS*to_number(p.value)/1024/1024/1024),0) temp_size
from v$sort_usage t, v$parameter p, v$session s, v$sql q
where p.name = 'db_block_size' and t.sql_id=:sqlid
and t.SESSION_ADDR=s.saddr(+) and t.sql_id=s.sql_id(+)
and s.sql_id=q.sql_id(+) and s.sql_child_number=q.child_number(+)
and (:planHashValue is NULL or q.PLAN_HASH_VALUE is null or q.PLAN_HASH_VALUE=to_number(:planHashValue))
group by t.SESSION_ADDR,nvl(q.PLAN_HASH_VALUE,99999999999999))
group by PLAN_HASH_VALUE
union all
select nvl(q.PLAN_HASH_VALUE,99999999999999) PLAN_HASH_VALUE,0 temp_size, nvl(max(PGA_MAX_MEM/1024/1024/1024),0) pga_size
from v$process p, v$session s, v$sql q
where s.paddr=p.addr and s.sql_id = :sqlid
and s.sql_id=q.sql_id(+) and s.sql_child_number=q.child_number(+)
and (:planHashValue is NULL or q.PLAN_HASH_VALUE is null or q.PLAN_HASH_VALUE=to_number(:planHashValue))
group by nvl(q.PLAN_HASH_VALUE,99999999999999)
union all
select pa.PLAN_HASH_VALUE,nvl(max(TEMP_SPACE_ALLOCATED/1024/1024/1024),0) temp_size,
nvl(max(PGA_ALLOCATED/1024/1024/1024),0) pga_size
from pa
group by pa.PLAN_HASH_VALUE))
select /*+no_monitoring*/xxx
from (
select 0 PLAN_HASH_VALUE, 1 seq, 0 ID, 'SQL ID: '||:sqlid xxx from dual
union
select 0 PLAN_HASH_VALUE, 1 seq, 1 ID, chr(10)||'------------- Last Monitored Binds --------------' xxx from dual where exists (select 1 from mb) and instr(:showOptions,'B')>0
union
select 0 PLAN_HASH_VALUE, 2 seq, to_number(sid||'.'||session_serial#||'000001') ID,
'--SID: '||sid||','||session_serial#||chr(10)||LISTAGG('var '||substr(b.name,2)||' '||b.data_type,chr(10)) WITHIN GROUP (ORDER BY b.name) xxx
from mb b
where instr(:showOptions,'B')>0
GROUP BY sid,session_serial#,sql_id
union
select 0 PLAN_HASH_VALUE, 2 seq, to_number(sid||'.'||session_serial#||'000002') ID,
'--SID: '||sid||','||session_serial#||chr(10)||LISTAGG('exec '||b.name||':='||decode(instr(b.data_type,'NUMBER'),0,''''||b.value||''';',b.value),chr(10)) WITHIN GROUP (ORDER BY b.name) xxx
from mb b
where instr(:showOptions,'B')>0
GROUP BY sid,session_serial#,sql_id
union
select 0 PLAN_HASH_VALUE, 3 seq, 1 ID, chr(10)||'------------- Last Captured Binds --------------' xxx from dual where exists (select 1 from cb) and instr(:showOptions,'B')>0 and not exists (select 1 from mb)
union
select 0 PLAN_HASH_VALUE, 3 seq, 2 ID, var xxx from cb
where instr(:showOptions,'B')>0 and not exists (select 1 from mb)
union
select 0 PLAN_HASH_VALUE, 3 seq, 3 ID, exe xxx from cb
where instr(:showOptions,'B')>0 and not exists (select 1 from mb)
union
select 0 PLAN_HASH_VALUE, 10 seq, 0 ID, chr(10)||'------------- SQL Text --------------' xxx from dual
where instr(:showOptions,'T')>0
union
select *
from (select /*+no_merge*/0 PLAN_HASH_VALUE, 11 seq, level ID, to_char(substr(sql_fulltext,(level-1)*2000+1,2000)) sql_text
from q
where instr(:showOptions,'T')>0
connect by level<=ceil(length(sql_fulltext)/2000))
UNION
select distinct PLAN_HASH_VALUE, 30 seq, -1 ID, chr(10)||'------------- SQL Plan (Plan Hash Value:'||PLAN_HASH_VALUE||'; Parsed by schema:'||PARSING_SCHEMA_NAME||') --------------' xxx
from p
where instr(:showOptions,'P')>0
UNION
select *
from (SELECT /*+no_merge*/PLAN_HASH_VALUE, 31 seq, ID,
lpad(nvl2(access_predicates,'*','')||nvl2(filter_predicates,'#','')||ID,6,' ')||lpad('('||nvl(PARENT_ID||'',' ')||')',6,' ')||LPAD(' ',(LEVEL-1))||OPERATION||DECODE(OTHER_TAG,NULL,'','*')||DECODE(OPTIONS,NULL,'',' ('||OPTIONS||')')||DECODE(OBJECT_NAME,NULL,'',' OF '''||OBJECT_NAME||'''')||DECODE(OBJECT_TYPE,NULL,'',' ('||OBJECT_TYPE||')')||DECODE(ID,0,DECODE(OPTIMIZER,NULL,'',' Optimizer='||OPTIMIZER))||DECODE(COST,NULL,'',' (Cost='||COST||DECODE(CARDINALITY,NULL,'',' Card='||CARDINALITY)||DECODE(BYTES,NULL,'',' Bytes='||BYTES)||')') xxx --,OBJECT_NODE OBJECT_NODE_PLUS_EXP
FROM P
where instr(:showOptions,'P')>0
START WITH ID=0
CONNECT BY PRIOR ID=PARENT_ID AND PRIOR SQL_ID=SQL_ID AND PRIOR PLAN_HASH_VALUE=PLAN_HASH_VALUE)
UNION
select distinct PLAN_HASH_VALUE, 33 seq, 0 ID, chr(10)||'------------- Stored Outline (Plan Hash Value:'||PLAN_HASH_VALUE||') --------------' xxx
from OL
where instr(:showOptions,'O')>0
UNION
select PLAN_HASH_VALUE, 33 seq, 1 ID, '/*+' xxx from OL
where instr(:showOptions,'O')>0
UNION
select PLAN_HASH_VALUE, 33 seq, 2 ID, lpad(' ',3,' ')||'BEGIN_OUTLINE_DATA' xxx from OL
where instr(:showOptions,'O')>0
UNION
select PLAN_HASH_VALUE, 33 seq, 3 ID,lpad(' ',3,' ')||hint xxx from OL
where instr(:showOptions,'O')>0
union
select PLAN_HASH_VALUE, 33 seq, 4 ID, lpad(' ',3,' ')||'END_OUTLINE_DATA' xxx from OL
where instr(:showOptions,'O')>0
UNION
select PLAN_HASH_VALUE, 33 seq, 5 ID, '*/' xxx from OL
where instr(:showOptions,'O')>0
UNION
select distinct PLAN_HASH_VALUE, 35 seq, 0 ID, chr(10)||'------------- Peeked Binds (Plan Hash Value:'||PLAN_HASH_VALUE||') --------------' xxx
from pb
where instr(:showOptions,'K')>0
UNION
select PLAN_HASH_VALUE, 35 seq, 1 ID,
LISTAGG('var '||substr(name,2)||' '||data_type,chr(10)) WITHIN GROUP (ORDER BY name) xxx
from pb
where instr(:showOptions,'K')>0
group by PLAN_HASH_VALUE
UNION
select PLAN_HASH_VALUE, 35 seq, 2 ID,LISTAGG('exec '||name||':='||decode(instr(data_type,'NUMBER'),0,''''||value||''';',value),chr(10)) WITHIN GROUP (ORDER BY name) xxx
from pb
where instr(:showOptions,'K')>0
group by PLAN_HASH_VALUE
UNION
select distinct PLAN_HASH_VALUE, 36 seq, -1 ID, chr(10)||'------------- Predicate Information (Plan Hash Value:'||PLAN_HASH_VALUE||') --------------' xxx
from P
where ((access_predicates is not null) or (filter_predicates is not null))
and instr(:showOptions,'D')>0
UNION
select PLAN_HASH_VALUE, 36 seq, ID,lpad(id,3,' ')||' Access: '||access_predicates xxx
from P
where (access_predicates is not null)
and instr(:showOptions,'D')>0
union
select PLAN_HASH_VALUE, 36 seq, ID,lpad(id,3,' ')||' Filter: '||filter_predicates xxx
from P
where (filter_predicates is not null)
and instr(:showOptions,'D')>0
union
select distinct P.PLAN_HASH_VALUE, 50 seq, -1 ID, chr(10)||'------------- Plan Loading (Plan Hash Value:'||P.PLAN_HASH_VALUE||') --------------' xxx
from P, PL
where P.PLAN_HASH_VALUE=PL.PLAN_HASH_VALUE and p.ID=SQL_PLAN_LINE_ID
and total_waits>0
and instr(:showOptions,'L')>0
UNION
select P.PLAN_HASH_VALUE, 50 seq, PL.TOTAL_WAITS-PL.WAITS ID,
lpad(P.ID,3,' ')||': '||RPAD(PL.sql_plan_op,50,' ')||rpad('#',round(pl.waits/pl.total_waits*50),'#')||'('||round(pl.waits/pl.total_waits*100,2)||'%)' xxx
from P, PL
where P.PLAN_HASH_VALUE=PL.PLAN_HASH_VALUE and p.ID=SQL_PLAN_LINE_ID
and PL.total_waits>0
and instr(:showOptions,'L')>0
union
select distinct PLAN_HASH_VALUE, 55 seq, -1 ID, chr(10)||'------------- Waits Events (Plan Hash Value:'||PLAN_HASH_VALUE||') --------------' xxx
from we
where total_waits>0
and instr(:showOptions,'W')>0
UNION
select PLAN_HASH_VALUE, 55 seq, TOTAL_WAITS-WAITS ID,
rpad(event||' on '||wait_object,75,' ')||rpad('#',round(waits/total_waits*50),'#')||'('||round(waits/total_waits*100,2)||'%)' xxx
from we
where total_waits>0
and instr(:showOptions,'W')>0
union
select PLAN_HASH_VALUE, 60 seq, 1 ID, chr(10)||'------------- Statistics Data '||decode(PLAN_HASH_VALUE,99999999999999,'','(Plan Hash Value:'||PLAN_HASH_VALUE||')')||'--------------' xxx from sd
where instr(:showOptions,'S')>0
union
select PLAN_HASH_VALUE, 60 seq,
10+to_number(substr(str,1,instr(str,',')-1)) ID, substr(str,instr(str,',')+1) xxx
from (select PLAN_HASH_VALUE, trim(regexp_substr(str, '[^'||spliter||']+', 1, level)) str from sd
connect by level <= length (regexp_replace (str, '[^'||spliter||']+')) + 1)
union
select PLAN_HASH_VALUE, 60 seq, 101 ID,
'PGA Size(Maximum): '||round(max(nvl(pga_size,0)),3)||'G' xxx
from ss
where instr(:showOptions,'S')>0
group by PLAN_HASH_VALUE
union
select PLAN_HASH_VALUE, 60 seq, 102 ID,
'Temp Space(Maximum): '||round(max(nvl(temp_size,0)),3)||'G' xxx
from ss
where instr(:showOptions,'S')>0
group by PLAN_HASH_VALUE
order by PLAN_HASH_VALUE, SEQ, ID, XXX)
;

undef 1 2 3
set head on
clear columns

转://使用showplan.sql分析sql Performance的更多相关文章

  1. 使用showplan.sql分析sql Performance

    在HelloDBA网站找到一个分析sql性能的工具-showplan,记录一下 showplan.sql下载路径:http://www.HelloDBA.com/Download/showplan.z ...

  2. MySQL SQL分析(SQL profile)

    分析SQL优化运营开销SQL的重要手段.在MySQL数据库.可配置profiling参数启用SQL分析.此参数可以在全局和session水平集.级别则作用于整个MySQL实例,而session级别紧影 ...

  3. 【转】Microsoft® SQL Server® 2012 Performance Dashboard Reports

    http://www.cnblogs.com/shanyou/archive/2013/02/12/2910232.html SQL Server Performance Dashboard Repo ...

  4. 品味性能之道<六>：图形化SQL分析工具

         在上一章里,重点分享了命令行SQL分析工具的使用方法.在本章将重点分享PL/SQL的SQL分析工具. 一.如何打开PL/SQL执行计划      开启PL/SQL这工具,推荐如下方法: 点击 ...

  5. 品味性能之道<五>：SQL分析工具

    一.SQL语句到底是怎么执行的? 想了解SQL语句到底是怎么执行的,那就需要进行SQL语句执行计划分析. 那什么是SQL语句执行计划呢? 就是Oracle服务器执行SQL语句的过程.例如确定是否使用索 ...

  6. 如何使用SQLPLUS分析SQL语句（查询执行计划跟踪）

    方法一:autotrace 1,  connect sys/密码 as sysdba,在sys用户下运行$ORACLE_HOME/sqlplus/admin/plustrce.sql这段sql的实际内 ...

  7. 使用show profiles分析SQL性能

    如何查看执行SQL的耗时 使用show profiles分析sql性能. Show profiles是5.0.37之后添加的,要想使用此功能,要确保版本在5.0.37之后. 查看数据库版本 mysql ...

  8. mysql优化（三）–explain分析sql语句执行效率

    mysql优化(三)–explain分析sql语句执行效率 mushu 发布于 11个月前 (06-04) 分类:Mysql 阅读(651) 评论(0) Explain命令在解决数据库性能上是第一推荐 ...

  9. 【MS SQL】通过执行计划来分析SQL性能

    原文:[MS SQL]通过执行计划来分析SQL性能 如何知道一句SQL语句的执行效率呢,只知道下面3种: 1.通过SQL语句执行时磁盘的活动量(IO)信息来分析:SET STATISTICS IO O ...

随机推荐

  1. 再会Java

    作者曾写过一段时间Java, 时间一长也就忘得差不多了. 现在重新学习一个, 故而只是提要式的记录. Java是静态强类型语言, 运行于Java虚拟机(Java Virtual Machine, JV ...

  2. openssl签署和自签署证书的多种实现方式

    openssl系列文章:http://www.cnblogs.com/f-ck-need-u/p/7048359.html 1.采用自定义配置文件的实现方法 1.1 自建CA 自建CA的机制:1.生成 ...

  3. Apollo 1 融合 Spring 的三个入口

    前言 Spring 作为 Java 世界非官方标准框架,任何一个中间件想要得到良好的发展,必须完美支持 Spring 的各种特性,即:无缝融入 Spring. Apollo 作为分布式配置中心,服务于 ...

  4. Java 使用 happen-before 规则实现共享变量的同步操作

    前言 熟悉 Java 并发编程的都知道,JMM(Java 内存模型) 中的 happen-before(简称 hb)规则,该规则定义了 Java 多线程操作的有序性和可见性,防止了编译器重排序对程序结 ...

  5. 【转载】Sqlserver的SQL语句实现分页查询

    在应用程序的开发中,如果数据库中的数据量过于的庞大,则需要针对查询数据做分页处理,取出对应分页中的数据,在Sqlserver分页的语句写法中,有两种比较常用,一种是数据表中含有自增量Id的情况,可以根 ...

  6. phothoshop 快捷键

    界面构成: 1 菜单栏 2 工具箱 3 工具属性栏 4 悬浮面板(辅助作用) CTRL + N 新建对话框(对画布进行设置) 回车确定 CTRL + O (字母) 打开对话框(选择图片) 画布的三种显 ...

  7. CSS之 :before && :after的用法，伪类和伪元素的区别

    一::before && :after的用法 :before 如同对伪元素的名称一样,:before 是用来给指定的元素的内容前面插入新的内容.举例说明: .before:before ...

  8. base64加密和解码原理和代码

    Base64编码,是我们程序开发中经常使用到的编码方法.它是一种基于用64个可打印字符来表示二进制数据的表示方法.它通常用作存储.传输一些二进制数据编码方法!也是MIME(多用途互联网邮件扩展,主要用 ...

  9. Java并发编程--总结

    1.并发优势 2.并发安全性 3.并发优化 4.并发内存模型 https://pan.baidu.com/s/1J4S2tC7YDgdOwtAg1970sg

  10. python爬虫之pyquery学习

    相关内容: pyquery的介绍 pyquery的使用 安装模块 导入模块 解析对象初始化 css选择器 在选定元素之后的元素再选取 元素的文本.属性等内容的获取 pyquery执行DOM操作.css ...