????? 在window系统针对Oracle登录调试设置登录会话的各种信息,从而定制login.sql.
在默认的情况下Oracle的默认登录执行的sql目录在login.sql所在目录
(D:\app\Administrator\product\11.1.0\db_1\sqlplus\admin)然后根据Kyte写
的login文件，修改一点符合自己的需要。
? 但是在有时候修改次文件不起作用,可能是Oracle中登录执行路径问题.
检查如下:
1.在运行"regedit"
2.选择KEY_LOCAL_MACHINE中的SOFTWARE,选中其下的Oracle目录中的Key_oradb11g_home1,
在右边的显示栏中显示各种信息.检查SQLPATH是否为你存放登录SQL所在的目录,如果不是修改即可.
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? 你会发现在windows下调用vi不正常,可以修改一下定义：
? define _editor=C:\Program Files\Notepad++\notepad++.exe
? 备注:我采用的notepad++,你也可以定义为记事本.

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-- Autostart Command Window script

REM turn off the terminal output - make it so SQLPlus does not
REM print out anything when we log in
set termout off
REM default your editor here. SQLPlus has many individual settings
REM This is one of the most important ones
REM define _editor=vi
define _editor=C:\Program Files\Notepad++\notepad++.exe
REM serveroutput controls whether your DBMS_OUTPUT.PUT_LINE calls
REM go into the bit bucket (serveroutput off) or get displayed
REM on screen. I always want serveroutput set on and as big
REM as possible - this does that. The format wrapped elements
REM causes SQLPlus to preserve leading whitespace - very useful
set serveroutput on size 1000000 format wrapped
REM Here I set some default column widths for commonly queried
REM columns - columns I find myself setting frequently, day after day
column object_name format a30
column segment_name format a30
column file_name format a40
column name format a30
column file_name format a30
column what format a30 word_wrapped
column plan_plus_exp format a100
REM by default, a spool file is a fixed width file with lots of
REM trailing blanks. Trimspool removes these trailing blanks
REM making the spool file significantly smaller 
set trimspool on
REM LONG controls how much of a LONG or CLOB sqlplus displays
REM by default. It defaults to 80 characters which in general
REM is far too small. I use the first 5000 characters by default
Set long 5000
REM This sets the default width at which sqlplus wraps output.
REM I use a telnet client that can go upto 131 characters wide -
REM hence this is my preferred setting.
set linesize 131
REM SQLplus will print column headings every N lines of output
REM this defaults to 14 lines. I find that they just clutter my
REM screen so this setting effectively disables them for all
REM intents and purposes - except for the first page of course
set pagesize 9999
REM here is how I set my signature prompt in sqlplus to
REM username@database> I use the NEW_VALUE concept to format
REM a nice prompt string that defaults to IDLE (useful for those
REM of you that use sqlplus to startup their databases - the
REM prompt will default to idle> if your database isn't started)
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> '
REM and lastly, we'll put termout back on so sqlplus prints
REM to the screen
set termout on

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