在tom的《Oracle 9i & 10g编程艺术：深入数据库体系结构》中，设置sqlplus环境的方法：

1、创建文件login.sql，内容如下：

define _editor=vi
set serveroutput on size 1000000
set trimspool on
set long 5000
set linesize 100
set pagesize 9999
column plan_plus_exp format a80
column global_name new_value gname
set termout off
define gname=idle
column global_name new_value gname
select lower(user) || '@' || substr( global_name, 1, decode( dot, 0,
length(global_name), dot-1) ) global_name
from (select global_name, instr(global_name,'.') dot from global_name );
set sqlprompt '&gname> '
set termout on

2、设置SQLPATH环境变量，指向login.sql所在的目录

3、当使用sqlplus登录数据库后，显示如下：

oracle@oracle[/home/oracle]> sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Fri Mar 27 10:25:23 2009

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

sys@ORCL>

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设置sqlplus环境

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