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上完1Z0-053第13/14章(内存/性能调优方法论)
1Z0-052共19章(上完19章),1Z0-053共21章(上完18章),1Z0-063多租户部分共9章(上完0章)
总共上完全部49章中的37章
- select * from dba_tablespaces;
- create tablespace tbs32k datafile
- '/u01/app/oracle/oradata/orcl/tbs32k.dbf' size 10M
- blocksize 32k;
- select t.BUFFER_POOL from dba_tables t
- where t.OWNER='HR'
- and t.TABLE_NAME='T05313_A';
-
-
- select i.BUFFER_POOL
- from dba_indexes i
- where i.OWNER='HR' and
- i.INDEX_NAME='I05313_A';
-
- select * from v$db_object_cache c
- where c.OWNER='HR' and c.NAME='PROC05313_A';
-
- begin
- dbms_shared_pool.keep('HR.PROC05313_A');
- end;
-
- select * from v$memory_dynamic_components;
- ---
- select s.USERNAME,
- s.SQL_HASH_VALUE,
- s.SQL_ID
- from v$session s
- where s.TERMINAL='pts/1';
-
- select *
- from v$sql s
- where s.HASH_VALUE='808452629';
-
- select * from v$event_name;
- select substr(t.table_name,3,1),count(*) from dba_tables t where t.tablespace_name='SYSAUX'
- and t.table_name like 'WR_$\_%' escape '\'
- group by substr(t.table_name,3,1);
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