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Oracle 8i:
(还不支持 9i 的 AUM 特性,需要 DBA 手工管理 Undo 表空间大小和回滚段数量)
CREATE DATABASE "test"
maxdatafiles 254
maxinstances 8
maxlogfiles 32
character set US7ASCII
national character set UTF8
DATAFILE '/opt/oracle/oradata/test/system01.dbf' SIZE 260M AUTOEXTEND ON NEXT 10240K
logfile
'/opt/oracle/oradata/test/redo01.log' SIZE 4M,
'/opt/oracle/oradata/test/redo02.log' SIZE 4M,
'/opt/oracle/oradata/test/redo03.log' SIZE 4M;
然后再创建 Undo, Temp 表空间,Rollback Segments.....运行创建数据字典脚本 catalog.sql, catproc.sql .....
@?/rdbms/admin/catalog.sql
@?/rdbms/admin/catproc.sql
...............
@?/rdbms/admin/utlrp.sql
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Oracle 9i:
(引入 AUM 特性,相应的初始化参数是 undo_management, undo_retention 和 undo_tablespace;
保留手工管理 undo 支持;支持表空间本地管理特性(Extent Management Local),9.2 支持 SYSTEM 表空间)
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Oracle 10g:
(引入 SYSAUX 表空间特性,在手工创建数据库的时候必须包含创建 SYSAUX 表空间的语句)
当禁用 AUM 时,10g 中依然是默认设置
undo_management='MANUAL'
create database test
maxdatafiles 1024
maxlogfiles 9
maxlogmembers 3
maxloghistory 1
maxinstances 1
character set al32utf8
national character set al16utf16
datafile '/opt/oracle/oradata/test/system01.dbf' size 50M autoextend on
sysaux datafile '/opt/oracle/oradata/test/sysaux01.dbf' size 300M
logfile
'/opt/oracle/oradata/test/redo01.log' SIZE 4M,
'/opt/oracle/oradata/test/redo02.log' SIZE 4M,
'/opt/oracle/oradata/test/redo03.log' SIZE 4M;
创建 sysaux 表空间的语句必须存在, 否则会报 (ORA-13504: No SYSAUX datafile clause specified) 错误;
如果脚本中包含创建 undo 表空间的命令,则会报 (ORA-30014: operation only supported in Automatic Undo Management mode) 错误。
上面这段脚本等效于前面 8i 中的命令,再简洁不过了。
当禁用 AUM,并且system 表空间使用本地管理特性时 (extent management local)
undo_management='MANUAL'
create database test
maxdatafiles 1024
maxlogfiles 9
maxlogmembers 3
maxloghistory 1
maxinstances 1
character set al32utf8
national character set al16utf16
datafile '/opt/oracle/oradata/test/system01.dbf' size 50M autoextend on extent management local
sysaux datafile '/opt/oracle/oradata/test/sysaux01.dbf' size 300M
default temporary tablespace temp
tempfile '/opt/oracle/oradata/test/temp01.dbf' size 20M
logfile
'/opt/oracle/oradata/test/redo01.log' SIZE 4M,
'/opt/oracle/oradata/test/redo02.log' SIZE 4M,
'/opt/oracle/oradata/test/redo03.log' SIZE 4M;
创建默认临时表空间的语句必须存在,否则会报 (ORA-12900: must specify a default temporary tablespace for a locally managed
database) 错误,这是 10g 中要求的。
当启用 AUM 时
undo_management='AUTO'
undo_tablespace='UNDOTBS'
create database test
maxdatafiles 1024
maxlogfiles 9
maxlogmembers 3
maxloghistory 1
maxinstances 1
character set al32utf8
national character set al16utf16
datafile '/opt/oracle/oradata/test/system01.dbf' size 50M AUTOEXTEND ON
sysaux datafile '/opt/oracle/oradata/test/sysaux01.dbf' size 300M
undo tablespace undotbs
datafile '/opt/oracle/oradata/test/undotbs01.dbf' size 10M autoextend on maxsize unlimited
logfile
'/opt/oracle/oradata/test/redo01.log' SIZE 4M,
'/opt/oracle/oradata/test/redo02.log' SIZE 4M,
'/opt/oracle/oradata/test/redo03.log' SIZE 4M;
如果脚本中不包含创建 undo 表空间的命令 (undo tablespace xxx......),则会报 (ORA-30045: No undo tablespace name specified) 错误;
如果参数和脚本中的表空间名称不一致则会报常见的 (ORA-01092: ORACLE instance terminated. Disconnection forced) 错误。
当启用 AUM 时,并且 system 表空间使用本地管理特性时 (extent management local)
undo_management='AUTO'
undo_tablespace='UNDOTBS'
create database test
maxdatafiles 1024
maxlogfiles 9
maxlogmembers 3
maxloghistory 1
maxinstances 1
character set al32utf8
national character set al16utf16
datafile '/opt/oracle/oradata/test/system01.dbf' size 50M autoextend on extent management local
sysaux datafile '/opt/oracle/oradata/test/sysaux01.dbf' size 300M
default temporary tablespace temp
tempfile '/opt/oracle/oradata/test/temp01.dbf' size 20M
undo tablespace undotbs
datafile '/opt/oracle/oradata/test/undotbs01.dbf' size 10M autoextend on maxsize unlimited
logfile
'/opt/oracle/oradata/test/redo01.log' SIZE 4M,
'/opt/oracle/oradata/test/redo02.log' SIZE 4M,
'/opt/oracle/oradata/test/redo03.log' SIZE 4M;
四个必要的表空间一个不能少!
当启用 OMF 时,AUM 必须启用
db_create_file_dest='/opt/oracle/oradata'
db_create_online_log_dest_1='/opt/oracle/oradata'
undo_management='AUTO'
create database test
user sys identified by oracle
user system identified by oracle
undo tablespace undotbs
default temporary tablespace temp;
我们可以使它更简洁如下:
create database test;
此时临时表空间需要手工创建如下:
create temporary tablespace temp;
当启用 OMF & ASM 时,AUM 必须启用
db_create_file_dest='+DATA1'
db_create_online_log_dest_1='+DATA1'
undo_management='AUTO'
create database test;
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