¡¡¡¡1.×î»ù±¾µÄDBMS_OUTPUT.PUT_LINE()·½·¨
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declare
output varchar2(200);
begin
output:=''...''; //¸³Öµ
DBMS_OUTPUT.PUT_LINE(output);
end;
¡¡¡¡Èç¹ûÒÔÉÏÖ´Ðнá¹û³É¹¦µ«Ã»ÓÐÏÔʾÇëÖ´ÐÐ set serveroutput on; È»ºó¾Í¿ÉÒÔÁË£»
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(1) create table my_output{
id number(4),
txt varchar2(4000)
);
(2) declare
output varchar2(4000);
strSql varchar2(4500);
count number(4):=0;
begin
strSql:=''delete * from my_output'';
EXECUTE IMMEDIATE strSql;
output:=''...''; //¸³Öµ
count:=count+1;
strSql:=''Insert into my_output value (count,''''''||output||'''''')'';
--''''ÔÚµ¥ÒýºÅÖÐÏ൱ÓÚ×Ö·û''
EXECUTE IMMEDIATE strSql;
end;
¡¡¡¡3.ʹÓÃÊä³öÎļþµÄ·½·¨
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(1) create or replace directory TMP as ''d: esttmp'';
--½¨Á¢Ò»¸öÎļþ¼Ð·¾¶
(2) declare
file_handle UTL_FILE.FILE_TYPE;
output varchar2(30000);
begin
output:="....";
file_handle := UTL_FILE.FOPEN(''TMP'', ''output.txt'', ''w'',[1-32767]);
--Ëĸö²ÎÊý£ºÄ¿Â¼£¬ÎļþÃû£¬´ò¿ª·½Ê½£¬×î´óÐÐÊý(ĬÈÏΪ2000)
UTL_FILE.PUT_LINE(file_handle, output);
UTL_FILE.FCLOSE(file_handle);
exception
WHEN utl_file.invalid_path THEN
raise_application_error(-20000, ''ERROR: Invalid path for file or path not in INIT.ORA.'');
end;