| AS OF SCN |
Flashback by SCN |
SELECT <column_name_list>
FROM <table_name>
AS OF <SCN>
[WHERE <filter_conditions>]
[GROUP BY <unaggregated columns>]
[HAVING <group_filter>]
[ORDER BY <column_positions_or_name>] |
conn uwclass/uwclass
CREATE TABLE t AS
SELECT owner, table_name, tablespace_name
FROM all_tables
WHERE 1=2;
desc t
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604676 02-MAY-07 10.54.39.218000 AM -07:00
INSERT INTO t VALUES ('A', 'AAAAA', 'AAAAAAAAAA');
COMMIT;
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604687 02-MAY-07 10.55.01.984000 AM -07:00
INSERT INTO t VALUES ('B', 'BBBBB', 'BBBBBBBBBB');
COMMIT;
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604694 02-MAY-07 10.55.14.421000 AM -07:00
INSERT INTO t VALUES ('C', 'CCCCC', 'CCCCCCCCCC');
COMMIT;
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604700 02-MAY-07 10.55.26.218000 AM -07:00
SELECT * FROM t;
conn / as sysdba
set linesize 121
col owner format a10
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF SCN 5604684;
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF SCN 5604685;
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF SCN 5604691;
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF SCN 5604692;
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF SCN 5604697;
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF SCN 5604698;
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF TIMESTAMP TO_TIMESTAMP('02-MAY-07
10.55.20.000000'); |
| |
| AS OF TIMESTAMP |
Flashback by Timestamp |
SELECT <column_name_list>
FROM <table_name>
AS OF <TIMESTAMP>
[WHERE <filter_conditions>]
[GROUP BY <unaggregated columns>]
[HAVING <group_filter>]
[ORDER BY <column_positions_or_name>] |
conn uwclass/uwclass
CREATE TABLE t AS
SELECT owner, table_name, tablespace_name
FROM all_tables
WHERE 1=2;
desc t
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604676 02-MAY-07 10.54.39.218000 AM -07:00
INSERT INTO t VALUES ('A', 'AAAAA', 'AAAAAAAAAA');
COMMIT;
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604687 02-MAY-07 10.55.01.984000 AM -07:00
INSERT INTO t VALUES ('B', 'BBBBB', 'BBBBBBBBBB');
COMMIT;
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604694 02-MAY-07 10.55.14.421000 AM -07:00
INSERT INTO t VALUES ('C', 'CCCCC', 'CCCCCCCCCC');
COMMIT;
SELECT current_scn, SYSTIMESTAMP
FROM gv$database;
-- 5604700 02-MAY-07 10.55.26.218000 AM -07:00
SELECT * FROM t;
conn / as sysdba
set linesize 121
col owner format a10
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF TIMESTAMP TO_TIMESTAMP('02-MAY-07
10.55.00.000000');
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF TIMESTAMP TO_TIMESTAMP('02-MAY-07
10.55.10.000000');
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF TIMESTAMP TO_TIMESTAMP('02-MAY-07
10.55.20.000000');
SELECT owner, table_name, tablespace_name
FROM uwclass.t
AS OF TIMESTAMP TO_TIMESTAMP('02-MAY-07
10.55.40.000000'); |
| |
| AS OF Demo |
AS OF Demo |
CREATE TABLE t AS
SELECT *
FROM dba_objects
WHERE 1=2;
SELECT COUNT(*)
FROM t;
SELECT current_scn
FROM gv$database;
INSERT INTO t
SELECT *
FROM dba_objects
WHERE rownum < 101;
COMMIT;
SELECT current_scn
FROM gv$database;
INSERT INTO t
SELECT *
FROM dba_objects
WHERE rownum < 1001;
COMMIT;
SELECT current_scn
FROM gv$database;
INSERT INTO t
SELECT *
FROM dba_objects
WHERE rownum < 10001;
COMMIT;
SELECT current_scn
FROM gv$database;
SELECT COUNT(*)
FROM t
AS OF SCN 15263767;
SELECT COUNT(*)
FROM t
AS OF SCN 15263775;
SELECT COUNT(*)
FROM t
AS OF SCN 15263786;
SELECT COUNT(*)
FROM t
AS OF SCN 15263804; |
|