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Oracle---控制SQL*Plus的环境和数据字典

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Release: 2016-06-07 17:02:45
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控制SQL*Plus的环境和数据字典 1. 控制SQL*Plus的环境 a) SET 环境变量 变量的值 b) SHOW 环境变量 | ALL

控制SQL*Plus的环境和数据字典

1.        控制SQL*Plus的环境

a)        SET 环境变量 变量的值

b)       SHOW 环境变量 |  ALL

 

SQL> show all

appinfo 为 OFF 并且已设置为"SQL*Plus"

arraysize 15

autocommit OFF

autoprint OFF

autorecovery OFF

autotrace OFF

blockterminator "." (hex 2e)

btitle OFF 为下一条 SELECT 语句的前几个字符

cmdsep OFF

colsep " "

compatibility version NATIVE

concat "." (hex 2e)

copycommit 0

COPYTYPECHECK 为 ON

define "&" (hex 26)

describe DEPTH 1 LINENUM OFF INDENT ON

echo OFF

editfile "afiedt.buf"

embedded OFF

escape OFF

用于 6 或更多行的 FEEDBACK ON

flagger OFF

flush ON

heading ON

headsep "|" (hex 7c)

instance "local"

linesize 80

lno 8

loboffset 1

logsource ""

long 80

longchunksize 80

markup HTML OFF HEAD "

newpage 1

null ""

numformat ""

numwidth 10

pagesize 14

PAUSE 为 OFF

pno 2

recsep WRAP

recsepchar " " (hex 20)

release 1002000100

repfooter OFF  为 NULL

repheader OFF  为 NULL

serveroutput OFF

shiftinout INVISIBLE

showmode OFF

spool OFF

sqlblanklines OFF

sqlcase MIXED

sqlcode 0

sqlcontinue "> "

sqlnumber ON

sqlpluscompatibility 10.2.0

sqlprefix "#" (hex 23)

sqlprompt "SQL> "

sqlterminator ";" (hex 3b)

suffix "sql"

tab ON

termout ON

timing OFF

trimout ON

trimspool OFF

ttitle OFF 为下一条 SELECT 语句的前几个字符

underline "-" (hex 2d)

USER 为"SCOTT"

verify ON

wrap : 将换至下一行

2.        SQL*Plus的环境变量ECHO

将ECHO设置为ON 的时候,运行脚本的时候不但返回运行的结果,,而且还返回命令。

SQL> show echo

echo OFF

SQL> set echo on

SQL> show echo

echo ON

SQL> select * from dept;

 

    DEPTNO DNAME          LOC

---------- -------------- -------------

        10 ACCOUNTING     NEW YORK

        20 RESEARCH       DALLAS

        30 SALES          CHICAGO

        40 OPERATIONS     BOSTON

SQL> save "D:\s";

已创建 file D:\s.sql

SQL> @D:\s.sql

SQL> select * from dept

  2  /

 

    DEPTNODNAME          LOC

---------- -------------- -------------

        10ACCOUNTING     NEW YORK

        20RESEARCH       DALLAS

        30SALES          CHICAGO

        40OPERATIONS     BOSTON

       3.    SET FEEDBACK n 表示当查询选择了至少6条记录时,显示返回的记录数;但是如果查询选择的记录数少于6条,就不显示返回的记录数。

       4.    以REM开始的语句为注释。

       5.    USER_* ALL_*   DBA_* 

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