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2008-10-28 10:09:53


  ALTER DATABASE DATAFILE'd:\ORANT\DATABASE\USER1ORCL.ORA' RESIZE 1000M;
  
  CREATE TABLESPACE INDEX_DATA DATAFILE'd:\ORANT\DATABASE\INDEX_DATA' SIZE 500M;
  
  ALTER DATABASE DATAFILE'd:\ORANT\DATABASE\RBS1ORCL.ORA' RESIZE 300M;
  
  ALTER DATABASE DATAFILE'd:\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:
  
  SGA=db_block_buffers*db_block_size+share_pool_size+log_buffers+sort_arer_size+1m
  
  =1/3--1/2
  
  以128M为例:
  
  DB_BLOCK_BUFFERS=16000(db_block_size=2k)
  
  SHARE_POOL_SIZE=30720000(要增大10倍)
  
  LOG_BUFFERS=655360
  
  SORT_AREA_SIZE=327680(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:
  
  DML_LOCKS=1000
  
  OPEN_CURSORS=200
【责编:admin】

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