sqlplus使用（二）

详见SQL*Plus® User's Guide and Reference Release 11.2  

5 Using Scripts in SQL*Plus

1.定义环境变量

_EDITOR

如：

DEFINE _EDITOR = vi

然后，

编辑

EDIT SALES

在文档中写要执行的sql语句

最后

@sales执行

SQL> l
  1  select
  2  *
  3  from
  4* v$instance

最后一行带*表示当前行，选择前面的数字回车改变当前行

所有的操作如下：

Command	Abbreviation	Purpose
APPEND text	A text	adds text at the end of the current line
CHANGE/old/new	C/old/new	changes old to new in the current line
CHANGE/text	C/text	deletes text from the current line
CLEAR BUFFER	CL BUFF	deletes all lines
DEL	(none)	deletes the current line
DEL n	(none)	deletes line n
DEL *	(none)	deletes the current line
DEL n *	(none)	deletes line n through the current line
DEL LAST	(none)	deletes the last line
DEL m n	(none)	deletes a range of lines (m to n)
DEL * n	(none)	deletes the current line through line n
INPUT	I	adds one or more lines
INPUT text	I text	adds a line consisting of text
LIST	; or L	lists all lines in the SQL buffer
LIST n	L n or n	lists line n
LIST *	L *	lists the current line
LIST n *	L n *	lists line n through the current line
LIST LAST	L LAST	lists the last line
LIST m n	L m n	lists a range of lines (m to n)
LIST * n	L * n	lists the current line through line n

2.注释

（1）使用REMARK

（2）使用/*...*/

（3）使用 --

3. get取得系统文件中的内容

SELECT &GROUP_COL, MAX(&NUMBER_COL) MAXIMUM
FROM &TABLE
GROUP BY &GROUP_COL
.
SAVE STATS

GET STATS

SELECT &GROUP_COL, MAX(&NUMBER_COL) MAXIMUM FROM &TABLE GROUP BY &GROUP_COL

2

2* MAX(&NUMBER_COL) MAXIMUM

APPEND ,

2* MAX(&NUMBER_COL) MAXIMUM,

CHANGE/&/&&

2* MAX(&&NUMBER_COL) MAXIMUM,

I

3i

MIN (&&NUMBER_COL) MINIMUM,

4i

SUM(&&NUMBER_COL)  TOTAL,

5i

AVG(&&NUMBER_COL)  AVERAGE

6i

1

1* SELECT &GROUP_COL,

CHANGE/&/&&

1* SELECT &&GROUP_COL,

7

7* GROUP BY &GROUP_COL

CHANGE/&/&&/

7* GROUP BY &&GROUP_COL

SAVE STATS2

Created file STATS2

4.输出提示信息：

脚本中使用

PROMPT 

输出提示信息

例：

PROMPT Enter a title of up to 30 characters
ACCEPT MYTITLE PROMPT 'Title: '
TTITLE LEFT MYTITLE SKIP 2
SELECT EMPLOYEE_ID, FIRST_NAME, LAST_NAME, SALARY
FROM EMP_DETAILS_VIEW
WHERE JOB_ID='SA_MAN'

5. 清空缓冲

CLEAR BUFFER

 6.清屏

CLEAR SCREEN

把所有列恢复到原来的格式：

CLEAR COLUMNS