1ãå建表ï¼æ³¨æï¼æå
¥å¾ççåè¦å®ä¹æBLOBç±»å
create table image_lob(t_id varchar2(5) not null,t_image blob not null);
2ãå建å¾çç®å½ï¼images为ç®å½å
create or replace directory "images" as 'f:\pic\';
3ãå建åå¨è¿ç¨ï¼filename为å¾ççååï¼å¦âcat.jpgâ
create or replace procedure img_insert(tid varchar2,filename varchar2)as
f_lob bfile;
b_lob blob;
begin
insert into image_lob(t_id,t_image)
values(tid,empty_blob())return t_image into b_lob;
f_lob:=bfilename('images',filename);
dbms_lob.fileopen(f_lob,dbms_lob.file_readonly);
dbms_lob.loadfromfile(b_lob,f_lob,
dbms_lob.getlength(f_lob));
dbms_lob.fileclose(f_lob);
commit;
end;
/
4ãæ§è¡ä¸é¢çåå¨è¿ç¨ï¼å®ç°å¾ççæå
¥
exec img_insert('1','cat.jpg');
5ãæ¥ç表
select * from image_lob;
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