SQL * Plus中的清除屏幕

/* Simple table formatting */

clear screen;
accept Report_File char prompt 'Enter a file name for summary report ';

/*Set up column headers*/
col StoreCode format A8 heading 'Store Code';
col DESCRIPTION format A8 heading 'Item Description';
col PRICE format $999999.99 heading 'Price';
col QUANTITY format 999 heading 'Quantity';
col (Price*Quantity) format $999999.99 heading 'Value';

/*Format and title pages */

set Pause off;
set Feedback off;
set Space 6;
set newpage 2;
set pagesize 54;
set linesize 200;
set underline =;
title center 'Current Stock Value by Store' skip 2 left -
            'prepared by Jason Kemeys' &Report_Officer right -
            &Todays_Date skip4;
btitle center format 999 SQL.PNO;

/* Set breaks and computes */

break on StoreCode skip 2 on SuppCode skip 1 on Report;
compute sum of (Price*Quantity) on StoreCode;
compute sum of (Price*Quantity) on Report;

/*Select data & send to file*/

spool &Report_File;

select StoreCode,Description,Quantity,Price,(Price*Quantity)
from Stocks
order by StoreCode;

spool off;

/* Clear all settings */

clear breaks;
clear columns;
clear computes;
set Pause on;

只需要知道为什么它显示错误以及如何让它运行;第一次在SQL中做报告.

这是我得到的错误

clear screen;
* ERROR at line 2: ORA-00900: invalid SQL statement

解决方法

（编辑：李大同）

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