一次Oracle建库记录

1.使用telnet登录10.149.187.18，用户名为root，密码为root&admin。2.输入su - Oracle.3.输入Sqlplus，输入用户名system和密码oracle。4.使用以下语句删除原有表空间：
drop tablespace td including contents and datafiles;
drop tablespace shenggongsi including contents and datafiles;
drop tablespace tongfu including contents and datafiles;
drop tablespace tietong including contents and datafiles;5.使用一下语句删除原有用户:
drop user td cascade;
drop user shenggongsi cascade;
drop user tongfu cascade;
drop user tietong cascade;6.使用exit命令退出sqlplus。7.使用su - root切换到root用户，输入密码root&admin。8.使用df -g命令查看各目录的空间情况，确定/data01下是适合安装表空间文件的地方。9.输入su - oracle切换到oracle用户.使用cd /data0进入/data0目录，使用mkdir dbffiles创建dbffiles子目录。10.确定安装以下用户及其表空间：
User        TableSpace
------------------------------------
sgs        ts_sgs
tietong        ts_tietong
tongfu        ts_tongfu
td        ts_td
确定表空间的初始大小是20G，自动增长，无最大限制。11.输入su - oracle.12.输入Sqlplus，输入用户名system和密码oracle。
13.使用以下语句创建表空间及用户：
CREATE TABLESPACE ts_sgs DATAFILE "/data01/dbffiles/ts_sgs.dbf" SIZE 20000m AUTOEXTEND ON NEXT 100M MAXSIZE UNLIMITED;
CREATE user       sgs identified by "123" default tablespace ts_sgs temporary tablespace TEMP profile DEFAULT;
alter user        sgs identified by "123456";
grant dba to      sgs with admin option;CREATE TABLESPACE ts_tietong DATAFILE "/data01/dbffiles/ts_tietong.dbf" SIZE 20000m AUTOEXTEND ON NEXT 100M MAXSIZE UNLIMITED;
CREATE user       tietong identified by "123" default tablespace ts_tietong temporary tablespace TEMP profile DEFAULT;
alter user        tietong identified by "123456";
grant dba to      tietong with admin option;CREATE TABLESPACE ts_tongfu DATAFILE "/data01/dbffiles/ts_tongfu.dbf" SIZE 20000m AUTOEXTEND ON NEXT 100M MAXSIZE UNLIMITED;
CREATE user       tongfu identified by "123" default tablespace ts_tongfu temporary tablespace TEMP profile DEFAULT;
alter user        tongfu identified by "123456";
grant dba to      tongfu with admin option;CREATE TABLESPACE ts_td DATAFILE "/data01/dbffiles/ts_td.dbf" SIZE 20000m AUTOEXTEND ON NEXT 100M MAXSIZE UNLIMITED;
CREATE user       td identified by "123" default tablespace ts_td temporary tablespace TEMP profile DEFAULT;
alter user        td identified by "123456";
grant dba to      td with admin option;14.验证一：使用sql语句验证刚才创建的表及表空间：
select username,default_tablespace from dba_users;15.验证二：退出sqlplus,到/data01/dbffiles下查看刚才创建的dbf文件；访问DB2数据库进行数据更新的代码片段RAC primary+Single standby DG配置实践相关资讯 Oracle建库

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