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- A partir do cursor cache (shared sql area);
- Utilizando SQL Tuning Set (STS);
- Export e Import usando “Staging table”;
- Automaticamente.
enter Neste caso tenho a instrução sql (sql_id = https://www.pslra.org/821evzga 91jcabsgk4ydx) com problemas de performance pois um plano ruim está sendo selecionado.
watch SQL> select distinct plan_hash_value from gv$sql where sql_id='91jcabsgk4ydx'; PLAN_HASH_VALUE --------------- 1491429885
https://www.frolic-through-life.com/2025/01/l3ofauktbbb Pesquisando no AWR encontrei outros planos para esta mesma instrução sql, neste caso o plano de hash 1748113394 é o plano “bom”.
click SQL> select distinct plan_hash_value from dba_hist_sqlstat where sql_id='91jcabsgk4ydx'; PLAN_HASH_VALUE --------------- 1748113394 1491429885
Valium Where To Buy Mais a frente irei especificar um conjunto de snapshots onde será buscado e carregado o plano de execução para dentro da STS, desta forma, abaixo já coletei o intervalo de snapshots onde o plano desejado está presente.
watch SQL> select min(snap_id), max(snap_id), plan_hash_value from dba_hist_sqlstat where sql_id='91jcabsgk4ydx' group by plan_hash_value ; MIN(SNAP_ID) MAX(SNAP_ID) PLAN_HASH_VALUE ------------ ------------ --------------- 14912 15006 1748113394 14895 15008 1491429885
follow link Criando um STS (SQL Tuning Set):
Valium Australia Buy exec dbms_sqltune.create_sqlset(sqlset_name => '91jcabsgk4ydx_load_plan',description => 'load plan'); PL/SQL procedure successfully completed.
http://lisapriceblog.com/54ak0rwgkq Populando STS com os planos do AWR:
watch declare cur sys_refcursor; begin open cur for select VALUE(p) from table( DBMS_SQLTUNE.SELECT_WORKLOAD_REPOSITORY(begin_snap=> 14912, end_snap => 15006, basic_filter =>'sql_id = ''91jcabsgk4ydx''', attribute_list=>'ALL')) p; DBMS_SQLTUNE.LOAD_SQLSET( sqlset_name => '91jcabsgk4ydx_load_plan', populate_cursor=>cur); close cur; end; / PL/SQL procedure successfully completed.
https://thelowegroupltd.com/8py6gesab Nos parâmetros begin_snap e end_snap insira os dados retornados no comando anterior de min/max snap_id. Na coluna basic_filter é a condição de “pesquisa”/filtro, ou seja, foi inserido sql_id = follow site 91jcabsgk4ydx para capturar todos os planos relacionados a este sql_id.
http://lisapriceblog.com/ygew1ij7he3 A coluna attribute_list representa os atributos de retorno os valores possíveis são:
see Online Tramadol Cod Overnight BASIC: todos os atributos (como estatísticas de execução e binds) são retornados, exceto os planos. O contexto de execução é sempre parte do resultado.
Buy Generic Valium 10Mg Tramadol Legal To Buy Online TYPICAL: BASIC + SQL plan (sem estatísticas de origem de linha) e sem lista de referência de objeto (padrão).
see url Best Price Tramadol Online ALL: todos os atributos, sem excessão.
go https://www.mckenziesportsphysicaltherapy.com/6sn4f7phx Lista de nomes de atributos separados por vírgulas, isto permite retornar apenas um subconjunto de atributos SQL: EXECUTION_STATISTICS, SQL_BINDS, SQL_PLAN_STATISTICS
enter OBS: Caso queria carregar todos os sqls capturados no AWR basta inserir NULL em basic_filter.
https://www.accessoriesresourceteam.org/art/cheaper-valium.php Detalhes do STS:
Valium Online Canada SQL> SELECT NAME,OWNER,CREATED,STATEMENT_COUNT FROM DBA_SQLSET where name='91jcabsgk4ydx_load_plan'; NAME OWNER CREATED STATEMENT_COUNT ------------------------------ ------------------------------ --------- --------------- 91jcabsgk4ydx_load_plan SYS 17-FEB-17 1
https://riverhillcurrent.com/n66bdsb Para verificar os planos do SQL_ID carregados na STS:
http://foodsafetytrainingcertification.com/food-safety-news/j9bsjz0b SQL> select * from table(dbms_xplan.display_sqlset('91jcabsgk4ydx_load_plan','91jcabsgk4ydx')); PLAN_TABLE_OUTPUT -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SQL Tuning Set Name: 91jcabsgk4ydx_load_plan SQL Tuning Set Owner: SYS SQL_ID: 91jcabsgk4ydx SQL Text: [...] -------------------------------------------------------------------------------- Plan hash value: 203381466 ---------------------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ---------------------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | | | 5 (100)| | | 1 | SORT GROUP BY | | 1 | 231 | 5 (20)| 00:00:01 | | 2 | FILTER | | | | | | | 3 | NESTED LOOPS | | 1 | 231 | 4 (0)| 00:00:01 | | 4 | NESTED LOOPS | | 2 | 231 | 4 (0)| 00:00:01 | | 5 | NESTED LOOPS | | 1 | 156 | 3 (0)| 00:00:01 | | 6 | NESTED LOOPS | | 1 | 105 | 2 (0)| 00:00:01 | | 7 | TABLE ACCESS BY INDEX ROWID| TAB1 | 2 | 118 | 1 (0)| 00:00:01 | | 8 | INDEX RANGE SCAN | TAB1_IDX1 | 158 | | 1 (0)| 00:00:01 | | 9 | TABLE ACCESS BY INDEX ROWID| TAB2 | 1 | 46 | 1 (0)| 00:00:01 | | 10 | INDEX UNIQUE SCAN | TAB2_IDX1 | 1 | | 1 (0)| 00:00:01 | | 11 | TABLE ACCESS BY INDEX ROWID | TAB3 | 1 | 51 | 1 (0)| 00:00:01 | | 12 | INDEX UNIQUE SCAN | TAB3_PK | 1 | | 1 (0)| 00:00:01 | | 13 | INDEX RANGE SCAN | TAB4 | 2 | | 1 (0)| 00:00:01 | | 14 | TABLE ACCESS BY INDEX ROWID | TAB4_IDX1 | 1 | 75 | 1 (0)| 00:00:01 | ---------------------------------------------------------------------------------------------------------- Plan hash value: 1748113394 ---------------------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ---------------------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | | | 6 (100)| | | 1 | SORT GROUP BY | | 1 | 232 | 6 (34)| 00:00:01 | | 2 | FILTER | | | | | | | 3 | NESTED LOOPS | | 1 | 232 | 4 (0)| 00:00:01 | | 4 | NESTED LOOPS | | 2 | 232 | 4 (0)| 00:00:01 | | 5 | NESTED LOOPS | | 1 | 157 | 3 (0)| 00:00:01 | | 6 | NESTED LOOPS | | 1 | 105 | 2 (0)| 00:00:01 | | 7 | TABLE ACCESS BY INDEX ROWID| TAB2 | 1 | 46 | 1 (0)| 00:00:01 | | 8 | INDEX RANGE SCAN | TAB2_IDX2 | 1 | | 1 (0)| 00:00:01 | | 9 | TABLE ACCESS BY INDEX ROWID| TAB1 | 1 | 59 | 1 (0)| 00:00:01 | | 10 | INDEX RANGE SCAN | TAB1_IDX2 | 1 | | 1 (0)| 00:00:01 | | 11 | TABLE ACCESS BY INDEX ROWID | TAB3 | 1 | 52 | 1 (0)| 00:00:01 | | 12 | INDEX UNIQUE SCAN | TAB3_PK | 1 | | 1 (0)| 00:00:01 | | 13 | INDEX RANGE SCAN | TAB4 | 2 | | 1 (0)| 00:00:01 | | 14 | TABLE ACCESS BY INDEX ROWID | TAB4_IDX1 | 1 | 75 | 1 (0)| 00:00:01 | ---------------------------------------------------------------------------------------------------------- 108 rows selected. SQL>
https://www.mssbizsolutions.com/0jxshf1n A partir dos planos acima, confirmei que a considerada “boa” é a do plano hash = https://osteopatiaamparoandres.com/0szu1m36o 1748113394
Cheap Tramadol Cod Delivery Criando o SQL Baseline a partir do STS deixando o novo plano ( http://geoffnotkin.com/laygu/where-can-i-buy-valium-in-canada.php 1748113394) habilitado e fixado:
https://www.iql-nog.com/2025/01/19/lavut6jj6 set serveroutput on declare my_int pls_integer; begin my_int := dbms_spm.load_plans_from_sqlset ( sqlset_name => '91jcabsgk4ydx_load_plan', basic_filter => 'plan_hash_value=''1748113394''', sqlset_owner => 'SYS', fixed => 'YES', enabled => 'YES'); DBMS_OUTPUT.PUT_line(my_int); end; / PL/SQL procedure successfully completed.
https://bettierose.co.uk/4ekrxziczsh A partir de agora quando a instrução SQL for executada o SPB criado será utilizado para forçar o novo plano.
Buy Diazepam Online Eu Verificando a instrução em cursor cache podemos observar que já consta na Note: – SQL plan baseline SQL_PLAN_2qz5a7x8r3ppzbd69646e used for this statement
follow site SQL> select * from table (dbms_xplan.display_cursor('91jcabsgk4ydx', 0)); PLAN_TABLE_OUTPUT ----------------------------------------------------------------------------------------------------------------------------------------------------- SQL_ID 91jcabsgk4ydx, child number 0 ------------------------------------- [...] Plan hash value: 1748113394 ---------------------------------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | ---------------------------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | | | 6 (100)| | | 1 | SORT GROUP BY | | 1 | 232 | 6 (34)| 00:00:01 | | 2 | FILTER | | | | | | | 3 | NESTED LOOPS | | 1 | 232 | 4 (0)| 00:00:01 | | 4 | NESTED LOOPS | | 2 | 232 | 4 (0)| 00:00:01 | | 5 | NESTED LOOPS | | 1 | 157 | 3 (0)| 00:00:01 | | 6 | NESTED LOOPS | | 1 | 105 | 2 (0)| 00:00:01 | | 7 | TABLE ACCESS BY INDEX ROWID| TAB2 | 1 | 46 | 1 (0)| 00:00:01 | | 8 | INDEX RANGE SCAN | TAB2_IDX2 | 1 | | 1 (0)| 00:00:01 | | 9 | TABLE ACCESS BY INDEX ROWID| TAB1 | 1 | 59 | 1 (0)| 00:00:01 | | 10 | INDEX RANGE SCAN | TAB1_IDX2 | 1 | | 1 (0)| 00:00:01 | | 11 | TABLE ACCESS BY INDEX ROWID | TAB3 | 1 | 52 | 1 (0)| 00:00:01 | | 12 | INDEX UNIQUE SCAN | TAB3_PK | 1 | | 1 (0)| 00:00:01 | | 13 | INDEX RANGE SCAN | TAB4 | 2 | | 1 (0)| 00:00:01 | | 14 | TABLE ACCESS BY INDEX ROWID | TAB4_IDX1 | 1 | 75 | 1 (0)| 00:00:01 | ---------------------------------------------------------------------------------------------------------- Predicate Information (identified by operation id): --------------------------------------------------- [...] Note ----- - SQL plan baseline SQL_PLAN_2qz5a7x8r3ppzbd69646e used for this statement 70 rows selected.
https://www.pslra.org/5nie2kc4zg Referências:
https://hereisnewyorkv911.org/uexwb53th http://docs.oracle.com/cd/E25178_01/server.1111/e16638/optplanmgmt.htm
Loading SQL Plans into SPM using AWR
Autor: Anderson Graf
source link Bacharel em Sistemas de Informação e MBA em Gestão de Banco de Dados Oracle. Entusiasta da tecnologia Oracle, ACE Associate ♠, autor em vários blogs e OTN. Consultor Oracle Senior na Exímio Soluções em TI
https://www.boasdeibiza.com/boat/valium-online-usa.php Envolvido em soluções de:
– Implementação, migração, gerenciamento e suporte a produtos Oracle, multiplataforma
– Monitoramento de ambientes 24×7
– Backup e Recovery
– Performance e Tuning
– Alta disponibilidade (HA) – RAC, Data Guard
– EM database/grid/cloud control
– Particionamento & Advanced Compression
– Oracle Engineered Systems – ODA, Exadata
https://www.mckenziesportsphysicaltherapy.com/upxrj80c Blog pessoal: http://www.andersondba.com.br
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