318 lines
7.4 KiB
Plaintext
318 lines
7.4 KiB
Plaintext
alias adm_NIHILUS='rlwrap sqlplus adm/"secret"@bakura:1521/NIHILUS as sysdba'
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create pluggable database NIHILUS admin user NIHILUS$OWNER identified by secret;
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alter pluggable database NIHILUS open;
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alter pluggable database NIHILUS save state;
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alter session set container=NIHILUS;
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create bigfile tablespace LIVE_TS datafile size 32M autoextend on next 32M;
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create bigfile tablespace ARCHIVE_TS datafile size 32M autoextend on next 32M;
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create user adm identified by "secret";
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grant sysdba to adm;
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create user usr identified by "secret";
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grant CONNECT,RESOURCE to usr;
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grant alter session to usr;
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alter user usr default tablespace LIVE_TS;
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alter user usr quota unlimited on LIVE_TS;
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alter user usr quota unlimited on ARCHIVE_TS;
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alias adm_NIHILUS='rlwrap sqlplus adm/"secret"@bakura:1521/NIHILUS as sysdba'
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alias usr_NIHILUS='rlwrap sqlplus usr/"secret"@bakura:1521/NIHILUS'
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create flashback archive default ARCHIVE_7_DAY
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tablespace ARCHIVE_TS
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quota 1G
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retention 7 DAY;
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grant flashback archive on ARCHIVE_7_DAY to usr;
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grant flashback archive administer to usr;
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grant execute on dbms_flashback_archive to usr;
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------------------------------------------------------------------------------
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SET LINESIZE 150
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COLUMN owner_name FORMAT A20
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COLUMN flashback_archive_name FORMAT A22
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COLUMN create_time FORMAT A20
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COLUMN last_purge_time FORMAT A20
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SELECT owner_name,
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flashback_archive_name,
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flashback_archive#,
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retention_in_days,
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TO_CHAR(create_time, 'YYYY-MM-DD HH24:MI:SS') AS create_time,
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TO_CHAR(last_purge_time, 'YYYY-MM-DD HH24:MI:SS') AS last_purge_time,
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status
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FROM dba_flashback_archive
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ORDER BY owner_name, flashback_archive_name;
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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SET LINESIZE 150
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COLUMN flashback_archive_name FORMAT A22
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COLUMN tablespace_name FORMAT A20
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COLUMN quota_in_mb FORMAT A11
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SELECT flashback_archive_name,
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flashback_archive#,
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tablespace_name,
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quota_in_mb
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FROM dba_flashback_archive_ts
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ORDER BY flashback_archive_name;
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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SET LINESIZE 150
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COLUMN owner_name FORMAT A20
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COLUMN table_name FORMAT A20
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COLUMN flashback_archive_name FORMAT A22
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COLUMN archive_table_name FORMAT A20
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SELECT owner_name,
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table_name,
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flashback_archive_name,
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archive_table_name,
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status
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FROM dba_flashback_archive_tables
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ORDER BY owner_name, table_name;
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------------------------------------------------------------------------------
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-- Example 1
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-------------
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create table TAB1 (
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ID number,
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DESCRIPTION varchar2(50),
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constraint TAB_1_PK primary key (id)
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);
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alter table TAB1 flashback archive ARCHIVE_7_DAY;
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insert into TAB1 values (1, 'one');
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commit;
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update TAB1 set description = 'two' where id = 1;
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commit;
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update TAB1 set description = 'three' where id = 1;
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commit;
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------------------------------------------------------------------------------
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SET LINESIZE 200
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COLUMN versions_startscn FORMAT 99999999999999999
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COLUMN versions_starttime FORMAT A32
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COLUMN versions_endscn FORMAT 99999999999999999
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COLUMN versions_endtime FORMAT A32
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COLUMN versions_xid FORMAT A16
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COLUMN versions_operation FORMAT A1
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COLUMN description FORMAT A11
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SELECT versions_startscn,
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versions_starttime,
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versions_endscn,
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versions_endtime,
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versions_xid,
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versions_operation,
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description
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FROM tab1
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VERSIONS BETWEEN TIMESTAMP SYSTIMESTAMP-(1/24) AND SYSTIMESTAMP
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WHERE id = 1
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ORDER BY versions_startscn;
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------------------------------------------------------------------------------
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create table TAB1 (d date);
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alter table TAB1 flashback archive ARCHIVE_7_DAY;
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insert into TAB1 values (sysdate);
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commit;
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-- infinite_update1.sql
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begin
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loop
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update TAB1 set d=sysdate;
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commit;
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dbms_session.sleep(1);
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end loop;
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end;
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/
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alter session set NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS';
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SET LINESIZE 200
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COLUMN versions_startscn FORMAT 99999999999999999
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COLUMN versions_starttime FORMAT A32
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COLUMN versions_endscn FORMAT 99999999999999999
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COLUMN versions_endtime FORMAT A32
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COLUMN versions_xid FORMAT A16
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COLUMN versions_operation FORMAT A1
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COLUMN description FORMAT A25
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SELECT
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versions_startscn,
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versions_starttime,
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versions_endscn,
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versions_endtime,
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versions_xid,
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versions_operation,
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d
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FROM
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TAB1
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VERSIONS BETWEEN TIMESTAMP TIMESTAMP'2023-06-17 17:20:10' and TIMESTAMP'2023-06-17 17:20:40'
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ORDER BY versions_startscn;
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SELECT * from TAB1
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AS OF TIMESTAMP TIMESTAMP'2023-06-17 17:05:10';
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SELECT * from TAB1
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AS OF TIMESTAMP TIMESTAMP'2023-06-17 17:30:49';
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EXEC DBMS_SYSTEM.set_ev(si=>163, se=>24797, ev=>10046, le=>8, nm=>'');
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-- Example 2
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-------------
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alter table TAB2 no flashback archive;
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drop table TAB2 purge;
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create table TAB2 (
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n1 number,
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c1 varchar2(10),
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d1 DATE
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);
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alter table TAB2 flashback archive ARCHIVE_7_DAY;
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insert into TAB2 values(1,'One',TIMESTAMP'2023-01-01 00:00:00');
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commit;
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insert into TAB2 values(2,'Two',TIMESTAMP'2023-01-01 00:00:00');
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commit;
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insert into TAB2 values(3,'Three',TIMESTAMP'2023-01-01 00:00:00');
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commit;
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alter session set NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS';
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SET LINESIZE 200
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COLUMN versions_startscn FORMAT 99999999999999999
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COLUMN versions_starttime FORMAT A32
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COLUMN versions_endscn FORMAT 99999999999999999
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COLUMN versions_endtime FORMAT A32
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COLUMN versions_xid FORMAT A16
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COLUMN versions_operation FORMAT A1
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COLUMN description FORMAT A25
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SELECT
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versions_startscn,
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versions_starttime,
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versions_endscn,
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versions_endtime,
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versions_xid,
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versions_operation,
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T.*
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FROM
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TAB2 VERSIONS BETWEEN TIMESTAMP (systimestamp-3/24) and systimestamp T
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where
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N1=1
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ORDER BY versions_startscn;
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update TAB2 set d1=TIMESTAMP'2023-12-31 23:59:59' where n1=1;
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commit;
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select * from TAB2 as of timestamp TIMESTAMP'2023-06-18 08:47:20' where N1=1;
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select * from TAB2 as of timestamp systimestamp where N1=1;
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select * from TAB2 as of scn 4335762 where N1=1;
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select * from TAB2 as of scn 4335824 where N1=1;
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->
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alter table TAB2 add C2 varchar2(3);
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update TAB2 set C2='abc' where n1=1;
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update TAB2 set C2='***' where n1=1;
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commit;
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update TAB2 set C2='def' where n1=1;
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commit;
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alter table TAB2 drop column C2;
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alter table TAB2 rename column C1 to C3;
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update TAB2 set d1=systimestamp where n1=1;
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commit;
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update TAB2 set d1=TIMESTAMP'1973-10-05 10:00:00',C3='birthday' where n1=1;
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commit;
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update TAB2 set d1=systimestamp,C3='right now' where n1=1;
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commit;
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4336404 18-JUN-23 03.14.59
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select * from TAB2 as of timestamp TIMESTAMP'2023-06-18 03:15:00' where N1=1;
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select * from TAB2 as of scn 4336403 where N1=1;
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select * from TAB2 as of scn 4336404 where N1=1;
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select * from TAB2 as of scn 4337054 where N1=1;
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select * from TAB2 as of scn 4282896 where N1=1;
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select * from TAB2 as of scn 4283027 where N1=1;
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-- cleanup
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alter table TAB2 no flashback archive;
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drop table TAB2 purge;
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alter table TAB1 no flashback archive;
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drop table TAB1 purge;
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drop user USR cascade;
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drop flashback archive ARCHIVE_7_DAY;
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drop tablespace LIVE_TS including contents and datafiles;
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drop tablespace ARCHIVE_TS including contents and datafiles;
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-- cleanup
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alter pluggable database NIHILUS close instances=ALL;
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drop pluggable database NIHILUS including datafiles;
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