正在看的ORACLE教程是:oracle初始化参数设置。 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： 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(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： DML_LOCKS=1000 OPEN_CURSORS=200 <