1關閉自動統計資訊收集

SQL> BEGIN 
  2  dbms_auto_task_admin.disable( 
  3  client_name => 'sql tuning advisor', 
  4  operation => NULL, 
  5  window_name => NULL); 
  6  END;
  7  /

PL/SQL procedure successfully completed.

SQL> select client_name,status from DBA_AUTOTASK_CLIENT;

CLIENT_NAME                                                      STATUS
---------------------------------------------------------------- --------
auto optimizer stats collection                                  ENABLED
auto space advisor                                               ENABLED
sql tuning advisor                                               DISABLED
 

SQL> BEGIN 
  2  dbms_auto_task_admin.disable( 
  3  client_name => 'auto space advisor', 
  4  operation => NULL, 
  5  window_name => NULL); 
  6  END;
  7  /

PL/SQL procedure successfully completed.

SQL> select client_name,status from DBA_AUTOTASK_CLIENT;

CLIENT_NAME                                                      STATUS
---------------------------------------------------------------- --------
auto optimizer stats collection                                  ENABLED
sql tuning advisor                                               DISABLED
auto space advisor                                               DISABLED
 

SQL> BEGIN 
  2  dbms_auto_task_admin.disable( 
  3  client_name => 'auto optimizer stats collection', 
  4  operation => NULL, 
  5  window_name => NULL); 
  6  END;
  7  /

PL/SQL procedure successfully completed.

SQL> select client_name,status from DBA_AUTOTASK_CLIENT;

CLIENT_NAME                                                      STATUS
---------------------------------------------------------------- --------
auto optimizer stats collection                                  DISABLED
sql tuning advisor                                               DISABLED
auto space advisor                                               DISABLED
 

2 ALTER SYSTEM SET processes=500 SCOPE=SPFILE;


ALTER SYSTEM SET session_cached_cursors=500 SCOPE=SPFILE;


ALTER SYSTEM SET sga_target=2G SCOPE=SPFILE; 


ALTER SYSTEM SET job_queue_processes=20 SCOPE=SPFILE;


ALTER SYSTEM SET open_cursors=300 SCOPE=SPFILE;


alter system set db_securefile='PERMITTED';




alter system set parallel_max_servers=160 scope=spfile;


alter system set parallel_max_servers=8 scope=spfile;

3

redo日誌的大小至少要300m