在网上看到过很多Oracle初始化参数设置的代码及讲解,但最后几行总是看不懂,不知道是要干什么
ALTER DATABASE DATAFILEd:\ORANT\DATABASE\USER1ORCL.ORA RESIZE 1000M;
CREATE TABLESPACE INDEX_DATA DATAFILEd:\ORANT\DATABASE\INDEX_DATA SIZE 500M;
ALTER DATABASE DATAFILEd:\ORANT\DATABASE\RBS1ORCL.ORA RESIZE 300M;
ALTER DATABASE DATAFILEd:\ORANT\DASTABASE\TMP1ORCL.ORA RESIZE 300M; alter rollback segment "RB1" offline;
alter rollback segment "RB2" offline;
alter rollback segment "RB3" offline;
alter rollback segment "RB4" offline;
alter rollback segment "RB5" offline;
alter rollback segment "RB6" offline;
alter rollback segment "RB7" offline;
alter rollback segment "RB8" offline;
alter rollback segment "RB9" offline;
alter rollback segment "RB10" offline;
alter rollback segment "RB11" offline;
alter rollback segment "RB12" offline;
alter rollback segment "RB13" offline;
alter rollback segment "RB14" offline;
alter rollback segment "RB15" offline;
alter rollback segment "RB16" offline;drop rollback segment "RB1";
drop rollback segment "RB2";
drop rollback segment "RB3";
drop rollback segment "RB4";
drop rollback segment "RB5";
drop rollback segment "RB6";
drop rollback segment "RB7";
drop rollback segment "RB8";
drop rollback segment "RB9";
drop rollback segment "RB10";
drop rollback segment "RB11";
drop rollback segment "RB12";
drop rollback segment "RB13";
drop rollback segment "RB14";
drop rollback segment "RB15";
drop rollback segment "RB16";
create rollback segment "RB1" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB2" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB3" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB4" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB5" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB6" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);alter rollback segment "RB1" online;
alter rollback segment "RB2" online;
alter rollback segment "RB3" online;
alter rollback segment "RB4" online;
alter rollback segment "RB5" online;
alter rollback segment "RB6" online;alter database add logfile c:\orant\database\log1.ora size 10m;
alter database add logfile c:\orant\database\log2.ora size 10m;
alter database add logfile c:\orant\database\log3.ora size 10m;
alter database add logfile c:\orant\database\log4.ora size 10m;
alter database drop logfile c:\orant\database\log1orcl.ora;
alter database drop logfile c:\orant\database\log2orcl.ora;
alter database drop logfile c:\orant\database\log3orcl.ora;
alter database drop logfile c:\orant\database\log4orcl.ora;INITORAL.ORA配置: (这是个文件?)
SGA=db_block_buffers*db_block_size+share_pool_size+log_buffers+sort_arer_size+1m=1/3--1/2以128M为例: (128兆为例?他这是要操作什么?)DB_BLOCK_BUFFERS=16000(db_block_size=2k)
SHARE_POOL_SIZE=30720000(服务器要增大10倍)
LOG_BUFFERS=655360
SORT_AREA_SIZE=327680(服务器要增大100倍)----------添加
GLOBAL_NAME=FALSE
ROLLBACK_SEGEMENTS=(RB1,RB2)//一般大型数据库要建立6-8个回滚段添加: (添加到哪?)
DML_LOCKS=1000
OPEN_CURSORS=200我的问题都标注在上面的代码中的括号里了
不好意思啊 新手 请见谅
ALTER DATABASE DATAFILEd:\ORANT\DATABASE\USER1ORCL.ORA RESIZE 1000M;
CREATE TABLESPACE INDEX_DATA DATAFILEd:\ORANT\DATABASE\INDEX_DATA SIZE 500M;
ALTER DATABASE DATAFILEd:\ORANT\DATABASE\RBS1ORCL.ORA RESIZE 300M;
ALTER DATABASE DATAFILEd:\ORANT\DASTABASE\TMP1ORCL.ORA RESIZE 300M; alter rollback segment "RB1" offline;
alter rollback segment "RB2" offline;
alter rollback segment "RB3" offline;
alter rollback segment "RB4" offline;
alter rollback segment "RB5" offline;
alter rollback segment "RB6" offline;
alter rollback segment "RB7" offline;
alter rollback segment "RB8" offline;
alter rollback segment "RB9" offline;
alter rollback segment "RB10" offline;
alter rollback segment "RB11" offline;
alter rollback segment "RB12" offline;
alter rollback segment "RB13" offline;
alter rollback segment "RB14" offline;
alter rollback segment "RB15" offline;
alter rollback segment "RB16" offline;drop rollback segment "RB1";
drop rollback segment "RB2";
drop rollback segment "RB3";
drop rollback segment "RB4";
drop rollback segment "RB5";
drop rollback segment "RB6";
drop rollback segment "RB7";
drop rollback segment "RB8";
drop rollback segment "RB9";
drop rollback segment "RB10";
drop rollback segment "RB11";
drop rollback segment "RB12";
drop rollback segment "RB13";
drop rollback segment "RB14";
drop rollback segment "RB15";
drop rollback segment "RB16";
create rollback segment "RB1" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB2" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB3" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB4" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB5" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);
create rollback segment "RB6" tablespace "ROLLBACK_DATA" storage (initial 1m next 1m);alter rollback segment "RB1" online;
alter rollback segment "RB2" online;
alter rollback segment "RB3" online;
alter rollback segment "RB4" online;
alter rollback segment "RB5" online;
alter rollback segment "RB6" online;alter database add logfile c:\orant\database\log1.ora size 10m;
alter database add logfile c:\orant\database\log2.ora size 10m;
alter database add logfile c:\orant\database\log3.ora size 10m;
alter database add logfile c:\orant\database\log4.ora size 10m;
alter database drop logfile c:\orant\database\log1orcl.ora;
alter database drop logfile c:\orant\database\log2orcl.ora;
alter database drop logfile c:\orant\database\log3orcl.ora;
alter database drop logfile c:\orant\database\log4orcl.ora;INITORAL.ORA配置: (这是个文件?)
SGA=db_block_buffers*db_block_size+share_pool_size+log_buffers+sort_arer_size+1m=1/3--1/2以128M为例: (128兆为例?他这是要操作什么?)DB_BLOCK_BUFFERS=16000(db_block_size=2k)
SHARE_POOL_SIZE=30720000(服务器要增大10倍)
LOG_BUFFERS=655360
SORT_AREA_SIZE=327680(服务器要增大100倍)----------添加
GLOBAL_NAME=FALSE
ROLLBACK_SEGEMENTS=(RB1,RB2)//一般大型数据库要建立6-8个回滚段添加: (添加到哪?)
DML_LOCKS=1000
OPEN_CURSORS=200我的问题都标注在上面的代码中的括号里了
不好意思啊 新手 请见谅
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先简要回答一下:
1、INITORAL.ORA文件是个控制文件,oracle启动的参数都存在这里
一般再%oracle_home%\...database文件夹或目录下
2、它以sgamaxsize为128M为例子,当然你的服务器状况肯定不止那么多
比如你2G内存sga可能会设到800M甚至更多
3、所有的参数文件都可以用
alter system set xx=xxx scope=spfile
比如:
alter system set nls_territory=france scope=spfile;
不是要修改为SGA=db_block_buffers*db_block_size+share_pool_size+log_buffers+sort_arer_size+1m=1/3--1/2吧?DB_BLOCK_BUFFERS=16000(db_block_size=2k)
SHARE_POOL_SIZE=30720000(服务器要增大10倍)
LOG_BUFFERS=655360
SORT_AREA_SIZE=327680(服务器要增大100倍)----------添加
GLOBAL_NAME=FALSE
ROLLBACK_SEGEMENTS=(RB1,RB2)//一般大型数据库要建立6-8个回滚段
这段代码写哪里?也用alter system set xx=xxx scope=spfile 方式写进去吗?嘿嘿 分嘛~~下次多给就是啦~~