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 程式師世界 >> 數據庫知識 >> Oracle數據庫 >> Oracle教程 >> 關於oracleredologbuffer你所不知道的東西

關於oracleredologbuffer你所不知道的東西

編輯:Oracle教程

關於oracleredologbuffer你所不知道的東西


[ora11@lixora ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Wed Oct 8 09:57:50 2014

Copyright (c) 1982, 2009, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL>
SQL>
SQL>
SQL> select database_role from v$database;

DATABASE_ROLE
--------------------------------
PRIMARY

SQL> SELECT x.ksppinm NAME, y.ksppstvl VALUE, x.ksppdesc describ
2 FROM SYS.x$ksppi x, SYS.x$ksppcv y
3 WHERE x.inst_id = USERENV ('Instance')
4 AND y.inst_id = USERENV ('Instance')
5 AND x.indx = y.indx
6 AND x.ksppinm LIKE '%&par%'
7 /
Enter value for par: _log_paralle
old 6: AND x.ksppinm LIKE '%&par%'
new 6: AND x.ksppinm LIKE '%_log_paralle%'

NAME
--------------------------------------------------------------------------------
VALUE
--------------------------------------------------------------------------------
DESCRIB
--------------------------------------------------------------------------------
_log_parallelism_max
1
Maximum number of log buffer strands

_log_parallelism_dynamic
TRUE
Enable dynamic strands

\

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