alter database datafiled:\orant\database\user1orcl.ora resize 1000m; alter rollback segment "rb1" offline; drop rollback segment "rb1"; alter rollback segment "rb1" online; alter database add logfile c:\orant\database\log1.ora size 10m; initoral.ora配置: 以128m为例: db_block_buffers=16000(db_block_size=2k) 添加:
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 "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 "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 "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\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;
sga=db_block_buffers*db_block_size+share_pool_size+log_buffers+sort_arer_size+1m=1/3--1/2
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
dml_locks=1000
open_cursors=200
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