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3 2QWKHWDUJHWV\VWHPWKHWUDQVSRUWHGWDEOHVSDFHLV³SOXJJHGLQ E\LQVHUWLQJWKH H[SRUWHG PHWDGDWD LQWR WKH 'DWD 'LFWLRQDU\ DQG FRQWUROILOH RI WKH WDUJHW GDWDEDVH XVLQJ LPSRUW :KHQ 776 LV XVHG E\ 763,75 WKH WDUJHW GDWDEDVH LV WKH VDPH DV WKH VRXUFH GDWDEDVH UHTXLULQJ WKDW WKH WUDQVSRUWHG WDEOHVSDFHVEHGURSSHGEHIRUHWKH³SOXJLQ RFFXUVDVIROORZV SQL> drop tablespace humres including contents; $ imp TRANSPORT_TABLESPACE=y TABLESPACES=humres DATAFILES= /u01/app/oracle/oradata/orcl/humres01.dbf FILE=humres.dmp 0XOWLSOH%ORFN6L]H7766XSSRUW 2UDFOH L LQWURGXFHG VXSSRUW IRU PXOWLSOH EORFN VL]HV LQ WKH VDPH GDWDEDVH WKHUHE\ HQDEOLQJ 776 XVH ZKHQ WKH VRXUFH DQG WDUJHW GDWDEDVHV KDYH GLIIHUHQW VWDQGDUGEORFNVL]HV7KLVUHTXLUHVWKHWDUJHWGDWDEDVHWRKDYHDGDWDEDVHEXIIHU FDFKHZLWKDEORFNVL]HPDWFKLQJWKHEORFNVL]HRIWKHILOHVLQWKHWUDQVSRUWVHWRI WKH VRXUFH GDWDEDVH 7KLV LV GRQH XVLQJ WKH V\VWHPPRGLILDEOH '%BQ.B&$&+(B6,=(SDUDPHWHUVLQWKHWDUJHWGDWDEDVH &URVV3ODWIRUP7766XSSRUW 2UDFOH J LQWURGXFHG VXSSRUW IRU ³&URVV 3ODWIRUP 776 HQDEOLQJ WUDQVSRUW ZKHQ WKH VRXUFH DQG WDUJHW GDWDEDVHV DUH RQ GLIIHUHQW SODWIRUPV DQG ZKHUH WKH ³(QGLDQQHVV RI WKH SODWIRUPV PLJKW GLIIHU 2UDFOH J DOVR LQWURGXFHG 'DWD 3XPS H[SGSLPSGS DV VXFFHVVRU RI H[SLPS %RWK RI WKHVH DGGLWLRQV DUH EH\RQGWKHVFRSHRIWKLVDUWLFOH 763,756FHQDULR $IWHUWKLVEULHIRYHUYLHZRI'%3,75DQG776ZHDUHUHDG\WRH[DPLQHDVFHQDULR ZKHUH763,75ZLOOHQDEOHXVWRVROYHDSUREOHP,PDJLQH D GDWDEDVH UXQQLQJ D +XPDQ 5HVRXUFHV DSSOLFDWLRQ DQG D 6DOHV DSSOLFDWLRQ 7KH +5 WDEOHV UHVLGH LQ WKH KXPUHV WDEOHVSDFH DQG WKH 6$/(6 WDEOHV LQ WKH VDOHV WDEOHVSDFH &RUUHVSRQGLQJ WR WKH WZR DSSOLFDWLRQV DUH GDWDEDVHXVHUVKXPUHVDQGVDOHV SQL> select owner,table_name from dba_tables where tablespace_name= HUMRES ; OWNER TABLE_NAME HUMRES EMPLOYEES HUMRES DEPARTMENTS SQL> select owner,table_name from dba_tables where tablespace_name= SALES ; OWNER TABLE_NAME SALES CUSTOMERS

4 1RZZHVLPXODWHDORJLFDOHUURULQWKH+XPDQ5HVRXUFHVDSSOLFDWLRQ SQL> select to_char(sysdate, yyyy-mm-dd:hh24:mi:ss ) from dual; TO_CHAR(SYSDATE, YY :14:33:44 SQL> update humres.departments set department_name= MISTAKE ; 28 rows updated. SQL> commit; Commit complete. 7KLVLVRQO\DVLPSOLILHGH[DPSOHRIDORJLFDOHUURUEXWDQ\FRPSOH[ORJLFDOHUURU LQ WKH +XPDQ 5HVRXUFHV DSSOLFDWLRQ PD\ EH KDQGOHG LQ WKH VDPH ZD\,Q VLWXDWLRQV VXFK DV WKLV RQH \RX PD\ ZLVK WR ³WXUQ EDFN WKH FORFN IRU DQ DSSOLFDWLRQ ZLWKRXW LPSDFWLQJ WKH RWKHU DSSOLFDWLRQV LQ \RXU GDWDEDVH )RU H[DPSOHLPDJLQHWKDWDIWHUWKHORJLFDOPLVWDNHDIIHFWLQJWKHKXPUHV WDEOHVSDFH RFFXUUHGDXVHURIWKHVDOHVDSSOLFDWLRQPRGLILHGDFXVWRPHUHPDLODGGUHVVDV IROORZV SQL> update sales.customers set cust_ =john.doe@company.com where cust_id=42; 1 row updated. SQL> commit; 3HUIRUPLQJ D '%3,75 DV D VROXWLRQ WR WKH ORJLFDO FRUUXSWLRQ RI WKH KXPUHVGHSDUWPHQWV WDEOH ZRXOG FDXVH WKH ORVV RI WKH XSGDWH WR WKH VDOHVFXVWRPHUV WDEOH 3HUIRUPLQJ 763,75 KRZHYHU ZRXOG RQO\ DIIHFW WKH +XPDQ5HVRXUFHV$SSOLFDWLRQ RMAN> recover tablespace humres until time "to_date( :14:33:00, yyyy-mm-dd:hh24:mi:ss )" auxiliary destination /home/oracle/aux_dir ; 7KH IROORZLQJ RXWSXW VKRZV KRZ PXFK DXWRPDWLRQ LV SURYLGHG E\ 50$1 $OWKRXJKWKLVFRXOGEHGRQHPDQXDOO\50$1PDNHVLWIDUVLPSOHUIRUWKH'%$ 1RWH7KHDQQRWDWLRQVLQWKLV50$1RXWSXWDUHH[SODLQHGODWHULQWKHDUWLFOH

5 Starting recover at :14:35:38 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=134 device type=disk RMAN-05026: WARNING: presuming following set of tablespaces applies to specified point in time List of tablespaces expected to have UNDO segments Tablespace SYSTEM Tablespace UNDOTBS1 Creating automatic instance, with SID= myfb initialization parameters used for automatic instance: db_name=orcl starting up automatic instance ORCL Oracle instance started Total System Global Area bytes Fixed Size bytes Variable Size bytes Database Buffers bytes Redo Buffers bytes Automatic instance created contents of Memory Script: { # set the until clause set until time "to_date( :14:33:00, yyyy-mmdd:hh24:mi:ss )"; # restore the controlfile restore clone controlfile; # mount the controlfile sql clone alter database mount clone database ; # archive current online log for tspitr to a resent until time sql alter system archive log current ; # avoid unnecessary autobackups for structural changes during TSPITR sql begin dbms_backup_restore.autobackupflag(false); end; ; } executing Memory Script executing command: SET until clause Starting restore at :14:36:03 allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=42 device type=disk channel ORA_AUX_DISK_1: starting datafile backup set restore channel ORA_AUX_DISK_1: restoring control file channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/flash_recovery_area/orcl/autobackup/2009_01_27/o1_ channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01 output file name=/home/oracle/aux_dir/cntrl_tspitr_orcl_myfb.f Finished restore at :14:36:06 sql statement: alter database mount clone database contents of Memory Script: { # generated tablespace point-in-time recovery script # set the until clause set until time "to_date( :14:33:00, yyyy-mmdd:hh24:mi:ss )"; plsql <<<-- tspitr_2 begin sqlstatement := alter tablespace HUMRES offline for recover ; end; >>>; # set an omf destination filename for restore set newname for clone datafile 1 to new; # set a destination filename for restore set newname for datafile 6 to "/u01/app/oracle/oradata/orcl/humres01.dbf";

6 set newname for clone tempfile 1 to new; # rename all tempfiles switch clone tempfile all; # restore the tablespaces in the recovery set plus the auxiliary tablespaces restore clone datafile 1, 3, 2, 6; switch clone datafile all; #online the datafiles restored or flipped sql clone "alter database datafile 1 online"; sql clone "alter database datafile 6 online"; # make the controlfile point at the restored datafiles, then recover them recover clone database tablespace "HUMRES", "SYSTEM", "UNDOTBS1", "SYSAUX" delete archivelog; alter clone database open resetlogs; } executing Memory Script executing command: SET until clause sql statement: alter tablespace HUMRES offline for recover executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME renamed tempfile 1 to /home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_temp_%u_.tmp in control file Starting restore at :14:36:18 using channel ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: starting datafile backup set restore channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set channel ORA_AUX_DISK_1: restoring datafile to /home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_system_%u_.db f channel ORA_AUX_DISK_1: restoring datafile to /home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_undotbs1_%u_. dbf channel ORA_AUX_DISK_1: restoring datafile to /home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_sysaux_%u_.db f channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/flash_recovery_area/orcl/backupset/2009_01_26/o1_m f_nnndf_tag t151641_4qvkgbqg_.bkp channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/flash_recovery_area/orcl/backupset/2009_01_ 26/o1_mf_nnndf_TAG T151641_4qvkgbqg_.bkp tag=tag t channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:04:58 channel ORA_AUX_DISK_1: starting datafile backup set restore channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set channel ORA_AUX_DISK_1: restoring datafile to /u01/app/oracle/oradata/orcl/humres01.dbf channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:03 Finished restore at :14:41:21

7 datafile 1 switched to datafile copy input datafile copy RECID=5 STAMP= file name=/home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_system_4 qy3gn9j_.dbf datafile 3 switched to datafile copy input datafile copy RECID=6 STAMP= file name=/home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_undotbs1 _4qy3gncm_.dbf datafile 2 switched to datafile copy input datafile copy RECID=7 STAMP= file name=/home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_sysaux_4 qy3gnbk_.dbf sql statement: alter database datafile 1 online sql statement: alter database datafile 3 online sql statement: alter database datafile 2 online sql statement: alter database datafile 6 online Starting recover at :14:41:24 using channel ORA_AUX_DISK_1 starting media recovery archived log for thread 1 with sequence 3 is already on disk as file /u01/app/oracle/flash_recovery_area/orcl/archivelog/2009_01_26/o1_ mf_1_3_4qvk7rc4_.arc archived log file name=/u01/app/oracle/flash_recovery_area/orcl/archivelog/2009_01_2 7/o1_mf_1_3_4qy3gclo_.arc thread=1 sequence=3 media recovery complete, elapsed time: 00:00:13 Finished recover at :14:41:42 database opened contents of Memory Script: { # export the tablespaces in the recovery set host exp userid = ******** point_in_time_recover=y tablespaces= HUMRES file= tspitr_a.dmp ; # shutdown clone before import shutdown clone immediate # import the tablespaces in the recovery set host imp userid = ******** point_in_time_recover=y file=tspitr_a.dmp ; # online/offline the tablespace imported sql "alter tablespace HUMRES online"; sql "alter tablespace HUMRES offline"; # enable autobackups in case user does open resetlogs from RMAN after TSPITR sql begin dbms_backup_restore.autobackupflag(true); end; ; }

8 executing Memory Script Export: Release Production on Tue Jan 27 14:42: Copyright (c) 1982, 2007, Oracle. All rights reserved. About to export Tablespace Point-in-time Recovery objects... For tablespace HUMRES.... exporting cluster definitions. exporting table definitions.. exporting table EMPLOYEES.. exporting table DEPARTMENTS. exporting referential integrity constraints. exporting triggers. end point-in-time recovery Export terminated successfully without warnings. host command complete Export file created by EXPORT:V via conventional path About to import Tablespace Point-in-time Recovery objects... import done in WE8ISO8859P1 character set and AL16UTF16 NCHAR character set. importing SYS s objects into SYS. importing HUMRES s objects into HUMRES.. importing table "EMPLOYEES".. importing table "DEPARTMENTS". importing SYS s objects into SYS Import terminated successfully without warnings. host command complete sql statement: alter tablespace HUMRES online sql statement: alter tablespace HUMRES offline sql statement: begin dbms_backup_restore.autobackupflag(true); end; Removing automatic instance Automatic instance removed auxiliary instance file /home/oracle/aux_dir/cntrl_tspitr_orcl_myfb.f deleted auxiliary instance file /home/oracle/aux_dir/tspitr_orcl_myfb/datafile/o1_mf_system_4qy3gn 9j_.dbf deleted auxiliary instance file /home/oracle/aux_dir/tspitr_orcl_myfb/onlinelog/o1_mf_1_4qy3rqqj_. log deleted auxiliary instance file /home/oracle/aux_dir/tspitr_orcl_myfb/onlinelog/o1_mf_2_4qy3rvxd_. log deleted auxiliary instance file /home/oracle/aux_dir/tspitr_orcl_myfb/onlinelog/o1_mf_3_4qy3rzpo_. log deleted Finished recover at :14:43:21

9 :KDWLVWKHUHVXOWRIXVLQJ763,75LQWKLVVFHQDULR" SQL> select department_name from humres.departments; DEPARTMENT_NAME Administration Marketing Purchasing Human Resources Shipping IT Public Relations Sales [ ] 7KH ORJLFDO HUURU LQ WKH +XPDQ 5HVRXUFHV DSSOLFDWLRQ LV FRUUHFWHG DQG WKH ROG GHSDUWPHQW QDPHV DUH UHVWRUHG DQG QR ORQJHU FRQWDLQ ³0,67$.( LQ WKH GHSDUWPHQWBQDPH FROXPQ %XW WKH XSGDWH WR FXVWRPHU LQ WKH VDOHV DSSOLFDWLRQWDEOHKDVQRWEHHQLPSDFWHG SQL> select cust_ from sales.customers where cust_id=42; CUST_ john.doe@company.com 7R SHUIRUP WKH '%3,75 6WHS GXULQJ WKH 763,75 50$1 UHTXLUHG WKH GDWDEDVHWREHLQ³DUFKLYHORJ PRGHDQH[LVWLQJEDFNXSRIWKHGDWDEDVHWKDW ZDV FUHDWHG EHIRUH WKH SRLQW LQ WLPH IRU UHFRYHU\ DQG DOO WKH DUFKLYHORJV DQG RQOLQH ORJV FUHDWHG IURP WKH WLPH RI WKH EDFNXS XQWLO WKH SRLQW LQ WLPH RI UHFRYHU\ $XWREDFNXSVRIWKHFRQWUROILOHDUHDJRRGSUDFWLFHDQGJXDUDQWHHWKDW DFRQWUROILOHPD\EHUHFRYHUHGWKDWPDWFKHVWKHGDWDEDVHSK\VLFDOVFKHPDDWWKH SRLQW LQ WLPH ZKHQ UHFRYHU\ HQGV $OVR QHHGHG LV D GLUHFWRU\ VSHFLILHG E\ WKH DX[LOLDU\ GHVWLQDWLRQ SDUDPHWHU LQ RXU H[DPSOH RQ WKH GDWDEDVH KRVW ZKHUH50$1SODFHVWKHILOHVRIWKHDXWRPDWLFLQVWDQFH

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