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        <title>adminschool.net wiki - dbms:oracle:admin:flashback</title>
        <description></description>
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       <dc:date>2026-04-22T06:19:07+00:00</dc:date>
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        <dc:date>2025-10-03T13:30:50+00:00</dc:date>
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        <title>recyclebin</title>
        <link>https://www.adminschool.net/wiki/doku.php?id=dbms:oracle:admin:flashback:recyclebin&amp;rev=1759498250&amp;do=diff</link>
        <description>recycle bin

	*  동일한 테이블을 생성 삭제를 반복한다 

create table c1 (id varchar2(10);
drop table c1;
create table c1 (id varchar2(10);
drop table c1;
create table c1 (id varchar2(10);
drop table c1;
create table c1 (id varchar2(10);
drop table c1;
create table c1 (id varchar2(10);
drop table c1;</description>
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        <title>table</title>
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        <description>FLASHBACK Table

	*  테이블 생성 

create table fb_table (cdate date default sysdate);


	*  데이타 입력 

insert into fb_table values (sysdate);
-- sleep 1 
insert into fb_table values (sysdate);
-- sleep 2
insert into fb_table values (sysdate);

commit;</description>
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        <title>transaction_backout</title>
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        <description>flashback transaction backout

	*  사전작업 

alter database add supplemental log data;
alter database add supplemental log data (primary key) columns; 
grant execute on dbms_flashback to hr;
grant select any transaction to hr;


	*  스크립트 실행</description>
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