这篇文章主要介绍了Oracle 12C如何使用RMAN将Non-CDB中分表的多个分区恢复到新用户方案中，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
Oracle 12C使用RMAN将Non-CDB中分表的多个分区恢复到新用户方案中的操作如下
1.对整个Non-CDB(orcl)生成RMAN备份
RMAN> backup as compressed backupset database format '+data/backup/%d_%I_%U_%t' plus archivelog format 'arc_%d_%T_%U'; Starting backup at 10-JAN-18 current log archived using channel ORA_DISK_1 channel ORA_DISK_1: starting compressed archived log backup set channel ORA_DISK_1: specifying archived log(s) in backup set input archived log thread=1 sequence=13 RECID=1 STAMP=964995986 input archived log thread=1 sequence=14 RECID=2 STAMP=965007422 input archived log thread=1 sequence=15 RECID=3 STAMP=965007493 input archived log thread=1 sequence=16 RECID=4 STAMP=965007542 input archived log thread=1 sequence=17 RECID=5 STAMP=965011311 input archived log thread=1 sequence=18 RECID=6 STAMP=965011687 channel ORA_DISK_1: starting piece 1 at 10-JAN-18 channel ORA_DISK_1: finished piece 1 at 10-JAN-18 piece handle=/u01/app/oracle/product/12.2.0/db/dbs/arc_ORCL_20180110_21so9q78_1_1 tag=TAG20180110T024807 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15 Finished backup at 10-JAN-18 Starting backup at 10-JAN-18 using channel ORA_DISK_1 channel ORA_DISK_1: starting compressed full datafile backup set channel ORA_DISK_1: specifying datafile(s) in backup set input datafile file number=00004 name=+DATA/orcl/datafile/users01.dbf input datafile file number=00001 name=+DATA/orcl/datafile/system01.dbf input datafile file number=00002 name=+DATA/orcl/datafile/sysaux01.dbf input datafile file number=00003 name=+DATA/orcl/datafile/undotbs01.dbf input datafile file number=00005 name=+DATA/orcl/datafile/usertbs01.dbf channel ORA_DISK_1: starting piece 1 at 10-JAN-18 channel ORA_DISK_1: finished piece 1 at 10-JAN-18 piece handle=+DATA/backup/orcl_1492772871_22so9q7p_1_1_965011705 tag=TAG20180110T024824 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:45 Finished backup at 10-JAN-18 Starting backup at 10-JAN-18 current log archived using channel ORA_DISK_1 channel ORA_DISK_1: starting compressed archived log backup set channel ORA_DISK_1: specifying archived log(s) in backup set input archived log thread=1 sequence=19 RECID=7 STAMP=965011751 channel ORA_DISK_1: starting piece 1 at 10-JAN-18 channel ORA_DISK_1: finished piece 1 at 10-JAN-18 piece handle=/u01/app/oracle/product/12.2.0/db/dbs/arc_ORCL_20180110_23so9q98_1_1 tag=TAG20180110T024912 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01 Finished backup at 10-JAN-18 Starting Control File and SPFILE Autobackup at 10-JAN-18 piece handle=+DATA/backup/c-1492772871-20180110-01 comment=NONE Finished Control File and SPFILE Autobackup at 10-JAN-18
2.在删除表sh.sales的SALES_Q3_1998与SALES_Q4_1998分区中的数据之前记录当前时间,在执行恢复时它们被用来指定恢复时间点
SQL> select count(*) from sales partition(SALES_Q3_1998); COUNT(*) ---------- 50515 1 row selected. SQL> select count(*) from sales partition(SALES_Q4_1998); COUNT(*) ---------- 48874 1 row selected. SQL> select sysdate from dual; SYSDATE ------------------- 2018-01-11 03:11:06 1 row selected. SQL> select current_scn from v$database; CURRENT_SCN ----------- 525382 SQL> delete from sales partition(SALES_Q3_1998); 50515 rows deleted. SQL> delete from sales partition(SALES_Q4_1998); 48874 rows deleted. SQL> commit; Commit complete. SQL> select count(*) from sales partition(SALES_Q3_1998); COUNT(*) ---------- 0 1 row selected. SQL> select count(*) from sales partition(SALES_Q4_1998); COUNT(*) ---------- 0 1 row selected.
3.启动RMAN并使用有sysbacup或sysdba权限的用户连接到目标数据库
[oracle@jytest3 ~]$ export NLS_DATE_FORMAT='yyyy-mm-dd hh34:mi:ss' [oracle@jytest3 ~]$ rman target/ Recovery Manager: Release 12.2.0.1.0 - Production on Wed Jan 10 02:22:13 2018 Copyright (c) 1982, 2017, Oracle and/or its affiliates. All rights reserved. connected to target database: ORCL (DBID=1492772871)
4.通过使用recover table命令将要被恢复的表或表分区恢复到指定的时间点。 使用auxiliary destination子句（/ora_xtts/recover辅助数据文件存储目录)与until scn来指定恢复时间点,并且在recover命令中使用子句 dump file与datapump destination，指定包含被恢复表或表分区的导出dump文件的文件名(t_emp_recvr.dmp)与存储位置(/ora_xtts/dump)。 使用remap table子句将分区SH.SALES:SALES_Q3_1998恢复成表 JY.SALES_Q3_1998，分区SH.SALES:SALES_Q4_1998恢复成表JY.SALES_Q4_1998使用remap tablespace子句将sh用户方案中的表分区从user表空间恢复到usertbs表空间中
RMAN> run
{
2> 3> recover table SH.SALES:SALES_Q3_1998, SH.SALES:SALES_Q4_1998
4> until time '2018-01-11 03:11:06'
5> auxiliary destination '/ora_xtts/recover'
6> datapump destination '/ora_xtts/dump'
7> dump file 't_emp_recvr.dmp'
8> remap table SH.SALES:SALES_Q3_1998:JY.SALES_Q3_1998,SH.SALES:SALES_Q4_1998:JY.SALES_Q4_1998
9> remap tablespace 'USERS':'USERTBS';
10> }
Starting recover at 2018-01-11 03:21:12
using channel ORA_DISK_1
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='xDyx'
initialization parameters used for automatic instance:
db_name=ORCL
db_unique_name=xDyx_pitr_ORCL
compatible=12.2.0
db_block_size=8192
db_files=200
diagnostic_dest=/u01/app/oracle
_system_trig_enabled=FALSE
sga_target=1024M
processes=120
db_create_file_dest=/ora_xtts/recover
log_archive_dest_1='location=/ora_xtts/recover'
#No auxiliary parameter file used
starting up automatic instance ORCL
Oracle instance started
Total System Global Area 1073741824 bytes
Fixed Size 8628936 bytes
Variable Size 293602616 bytes
Database Buffers 763363328 bytes
Redo Buffers 8146944 bytes
Automatic instance created
contents of Memory Script:
{
# set requested point in time
set until time "2018-01-11 03:11:06";
# restore the controlfile
restore clone controlfile;
# mount the controlfile
sql clone 'alter database mount clone database';
# archive current online log
sql 'alter system archive log current';
}
executing Memory Script
executing command: SET until clause
Starting restore at 2018-01-11 03:22:20
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=6 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 +DATA/backup/c-1492772871-20180110-02
channel ORA_AUX_DISK_1: piece handle=+DATA/backup/c-1492772871-20180110-02 tag=TAG20180110T200959
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:05
output file name=/ora_xtts/recover/ORCL/controlfile/o1_mf_f5dszl5f_.ctl
Finished restore at 2018-01-11 03:22:27
sql statement: alter database mount clone database
sql statement: alter system archive log current
contents of Memory Script:
{
# set requested point in time
set until time "2018-01-11 03:11:06";
# set destinations for recovery set and auxiliary set datafiles
set newname for clone datafile 1 to new;
set newname for clone datafile 3 to new;
set newname for clone datafile 2 to new;
set newname for clone tempfile 1 to new;
# switch all tempfiles
switch clone tempfile all;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile 1, 3, 2;
switch clone datafile all;
}
executing Memory Script
executing command: SET until clause
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
renamed tempfile 1 to /ora_xtts/recover/ORCL/datafile/o1_mf_tempts1_%u_.tmp in control file
Starting restore at 2018-01-11 03:22:34
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 00001 to /ora_xtts/recover/ORCL/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00003 to /ora_xtts/recover/ORCL/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00002 to /ora_xtts/recover/ORCL/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece +DATA/backup/orcl_1492772871_26sobn77_1_1_965074151
channel ORA_AUX_DISK_1: piece handle=+DATA/backup/orcl_1492772871_26sobn77_1_1_965074151 tag=TAG20180110T200911
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:45
Finished restore at 2018-01-11 03:23:20
datafile 1 switched to datafile copy
input datafile copy RECID=4 STAMP=965100201 file name=/ora_xtts/recover/ORCL/datafile/o1_mf_system_f5dszvs1_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=5 STAMP=965100201 file name=/ora_xtts/recover/ORCL/datafile/o1_mf_undotbs1_f5dszvt5_.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=6 STAMP=965100201 file name=/ora_xtts/recover/ORCL/datafile/o1_mf_sysaux_f5dszvsm_.dbf
contents of Memory Script:
{
# set requested point in time
set until time "2018-01-11 03:11:06";
# online the datafiles restored or switched
sql clone "alter database datafile 1 online";
sql clone "alter database datafile 3 online";
sql clone "alter database datafile 2 online";
# recover and open database read only
recover clone database tablespace "SYSTEM", "UNDOTBS1", "SYSAUX";
sql clone 'alter database open read only';
}
executing Memory Script
executing command: SET until clause
sql statement: alter database datafile 1 online
sql statement: alter database datafile 3 online
sql statement: alter database datafile 2 online
Starting recover at 2018-01-11 03:23:22
using channel ORA_AUX_DISK_1
starting media recovery
archived log for thread 1 with sequence 24 is already on disk as file +DATA/arch/orcl/1_24_964992135.dbf
archived log for thread 1 with sequence 25 is already on disk as file +DATA/arch/orcl/1_25_964992135.dbf
archived log for thread 1 with sequence 26 is already on disk as file +DATA/arch/orcl/1_26_964992135.dbf
archived log for thread 1 with sequence 27 is already on disk as file +DATA/arch/orcl/1_27_964992135.dbf
archived log for thread 1 with sequence 28 is already on disk as file +DATA/arch/orcl/1_28_964992135.dbf
archived log for thread 1 with sequence 29 is already on disk as file +DATA/arch/orcl/1_29_964992135.dbf
archived log for thread 1 with sequence 30 is already on disk as file +DATA/arch/orcl/1_30_964992135.dbf
archived log for thread 1 with sequence 31 is already on disk as file +DATA/arch/orcl/1_31_964992135.dbf
archived log for thread 1 with sequence 32 is already on disk as file +DATA/arch/orcl/1_32_964992135.dbf
archived log for thread 1 with sequence 33 is already on disk as file +DATA/arch/orcl/1_33_964992135.dbf
archived log for thread 1 with sequence 34 is already on disk as file +DATA/arch/orcl/1_34_964992135.dbf
archived log for thread 1 with sequence 35 is already on disk as file +DATA/arch/orcl/1_35_964992135.dbf
archived log file name=+DATA/arch/orcl/1_24_964992135.dbf thread=1 sequence=24
archived log file name=+DATA/arch/orcl/1_25_964992135.dbf thread=1 sequence=25
archived log file name=+DATA/arch/orcl/1_26_964992135.dbf thread=1 sequence=26
archived log file name=+DATA/arch/orcl/1_27_964992135.dbf thread=1 sequence=27
archived log file name=+DATA/arch/orcl/1_28_964992135.dbf thread=1 sequence=28
archived log file name=+DATA/arch/orcl/1_29_964992135.dbf thread=1 sequence=29
archived log file name=+DATA/arch/orcl/1_30_964992135.dbf thread=1 sequence=30
archived log file name=+DATA/arch/orcl/1_31_964992135.dbf thread=1 sequence=31
archived log file name=+DATA/arch/orcl/1_32_964992135.dbf thread=1 sequence=32
archived log file name=+DATA/arch/orcl/1_33_964992135.dbf thread=1 sequence=33
archived log file name=+DATA/arch/orcl/1_34_964992135.dbf thread=1 sequence=34
archived log file name=+DATA/arch/orcl/1_35_964992135.dbf thread=1 sequence=35
media recovery complete, elapsed time: 00:00:51
Finished recover at 2018-01-11 03:24:16
sql statement: alter database open read only
contents of Memory Script:
{
sql clone "create spfile from memory";
shutdown clone immediate;
startup clone nomount;
sql clone "alter system set control_files =
''/ora_xtts/recover/ORCL/controlfile/o1_mf_f5dszl5f_.ctl'' comment=
''RMAN set'' scope=spfile";
shutdown clone immediate;
startup clone nomount;
# mount database
sql clone 'alter database mount clone database';
}
executing Memory Script
sql statement: create spfile from memory
database closed
database dismounted
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 1073741824 bytes
Fixed Size 8628936 bytes
Variable Size 293602616 bytes
Database Buffers 763363328 bytes
Redo Buffers 8146944 bytes
sql statement: alter system set control_files = ''/ora_xtts/recover/ORCL/controlfile/o1_mf_f5dszl5f_.ctl'' comment= ''RMAN set'' scope=spfile
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 1073741824 bytes
Fixed Size 8628936 bytes
Variable Size 293602616 bytes
Database Buffers 763363328 bytes
Redo Buffers 8146944 bytes
sql statement: alter database mount clone database
contents of Memory Script:
{
# set requested point in time
set until time "2018-01-11 03:11:06";
# set destinations for recovery set and auxiliary set datafiles
set newname for datafile 4 to new;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile 4;
switch clone datafile all;
}
executing Memory Script
executing command: SET until clause
executing command: SET NEWNAME
Starting restore at 2018-01-11 03:25:26
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=7 device type=DISK
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 00004 to /ora_xtts/recover/XDYX_PITR_ORCL/datafile/o1_mf_users_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece +DATA/backup/orcl_1492772871_26sobn77_1_1_965074151
channel ORA_AUX_DISK_1: piece handle=+DATA/backup/orcl_1492772871_26sobn77_1_1_965074151 tag=TAG20180110T200911
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:55
Finished restore at 2018-01-11 03:26:22
datafile 4 switched to datafile copy
input datafile copy RECID=8 STAMP=965100383 file name=/ora_xtts/recover/XDYX_PITR_ORCL/datafile/o1_mf_users_f5dt57w8_.dbf
contents of Memory Script:
{
# set requested point in time
set until time "2018-01-11 03:11:06";
# online the datafiles restored or switched
sql clone "alter database datafile 4 online";
# recover and open resetlogs
recover clone database tablespace "USERS", "SYSTEM", "UNDOTBS1", "SYSAUX" delete archivelog;
alter clone database open resetlogs;
}
executing Memory Script
executing command: SET until clause
sql statement: alter database datafile 4 online
Starting recover at 2018-01-11 03:26:23
using channel ORA_AUX_DISK_1
starting media recovery
archived log for thread 1 with sequence 24 is already on disk as file +DATA/arch/orcl/1_24_964992135.dbf
archived log for thread 1 with sequence 25 is already on disk as file +DATA/arch/orcl/1_25_964992135.dbf
archived log for thread 1 with sequence 26 is already on disk as file +DATA/arch/orcl/1_26_964992135.dbf
archived log for thread 1 with sequence 27 is already on disk as file +DATA/arch/orcl/1_27_964992135.dbf
archived log for thread 1 with sequence 28 is already on disk as file +DATA/arch/orcl/1_28_964992135.dbf
archived log for thread 1 with sequence 29 is already on disk as file +DATA/arch/orcl/1_29_964992135.dbf
archived log for thread 1 with sequence 30 is already on disk as file +DATA/arch/orcl/1_30_964992135.dbf
archived log for thread 1 with sequence 31 is already on disk as file +DATA/arch/orcl/1_31_964992135.dbf
archived log for thread 1 with sequence 32 is already on disk as file +DATA/arch/orcl/1_32_964992135.dbf
archived log for thread 1 with sequence 33 is already on disk as file +DATA/arch/orcl/1_33_964992135.dbf
archived log for thread 1 with sequence 34 is already on disk as file +DATA/arch/orcl/1_34_964992135.dbf
archived log for thread 1 with sequence 35 is already on disk as file +DATA/arch/orcl/1_35_964992135.dbf
archived log file name=+DATA/arch/orcl/1_24_964992135.dbf thread=1 sequence=24
archived log file name=+DATA/arch/orcl/1_25_964992135.dbf thread=1 sequence=25
archived log file name=+DATA/arch/orcl/1_26_964992135.dbf thread=1 sequence=26
archived log file name=+DATA/arch/orcl/1_27_964992135.dbf thread=1 sequence=27
archived log file name=+DATA/arch/orcl/1_28_964992135.dbf thread=1 sequence=28
archived log file name=+DATA/arch/orcl/1_29_964992135.dbf thread=1 sequence=29
archived log file name=+DATA/arch/orcl/1_30_964992135.dbf thread=1 sequence=30
archived log file name=+DATA/arch/orcl/1_31_964992135.dbf thread=1 sequence=31
archived log file name=+DATA/arch/orcl/1_32_964992135.dbf thread=1 sequence=32
archived log file name=+DATA/arch/orcl/1_33_964992135.dbf thread=1 sequence=33
archived log file name=+DATA/arch/orcl/1_34_964992135.dbf thread=1 sequence=34
archived log file name=+DATA/arch/orcl/1_35_964992135.dbf thread=1 sequence=35
media recovery complete, elapsed time: 00:00:08
Finished recover at 2018-01-11 03:26:34
database opened
contents of Memory Script:
{
# create directory for datapump import
sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/ora_xtts/dump''";
# create directory for datapump export
sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/ora_xtts/dump''";
}
executing Memory Script
sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/ora_xtts/dump''
sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/ora_xtts/dump''
Performing export of tables...
EXPDP> Starting "SYS"."TSPITR_EXP_xDyx_nniA":
EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE
EXPDP> Processing object type TABLE_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
EXPDP> Processing object type TABLE_EXPORT/TABLE/COMMENT
EXPDP> . . exported "SH"."SALES":"SALES_Q3_1998" 1.634 MB 50515 rows
EXPDP> . . exported "SH"."SALES":"SALES_Q4_1998" 1.581 MB 48874 rows
EXPDP> Master table "SYS"."TSPITR_EXP_xDyx_nniA" successfully loaded/unloaded
EXPDP> ******************************************************************************
EXPDP> Dump file set for SYS.TSPITR_EXP_xDyx_nniA is:
EXPDP> /ora_xtts/dump/t_emp_recvr.dmp
EXPDP> Job "SYS"."TSPITR_EXP_xDyx_nniA" successfully completed at Thu Jan 11 03:27:33 2018 elapsed 0 00:00:39
Export completed
contents of Memory Script:
{
# shutdown clone before import
shutdown clone abort
}
executing Memory Script
Oracle instance shut down
Performing import of tables...
IMPDP> Master table "SYS"."TSPITR_IMP_xDyx_xeDs" successfully loaded/unloaded
IMPDP> Starting "SYS"."TSPITR_IMP_xDyx_xeDs":
IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE
IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
IMPDP> . . imported "JY"."SALES_Q3_1998" 1.634 MB 50515 rows
IMPDP> . . imported "JY"."SALES_Q4_1998" 1.581 MB 48874 rows
IMPDP> Processing object type TABLE_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
IMPDP> Job "SYS"."TSPITR_IMP_xDyx_xeDs" completed with 9 error(s) at Thu Jan 11 03:28:18 2018 elapsed 0 00:00:36
import completed with errors; Oracle Data Pump dump file t_emp_recvr.dmp is retained
Removing automatic instance
Automatic instance removed
auxiliary instance file /ora_xtts/recover/ORCL/datafile/o1_mf_tempts1_f5dt3146_.tmp deleted
auxiliary instance file /ora_xtts/recover/XDYX_PITR_ORCL/onlinelog/o1_mf_3_f5dt7brh_.log deleted
auxiliary instance file /ora_xtts/recover/XDYX_PITR_ORCL/onlinelog/o1_mf_2_f5dt7bqr_.log deleted
auxiliary instance file /ora_xtts/recover/XDYX_PITR_ORCL/onlinelog/o1_mf_1_f5dt7bq5_.log deleted
auxiliary instance file /ora_xtts/recover/XDYX_PITR_ORCL/datafile/o1_mf_users_f5dt57w8_.dbf deleted
auxiliary instance file /ora_xtts/recover/ORCL/datafile/o1_mf_sysaux_f5dszvsm_.dbf deleted
auxiliary instance file /ora_xtts/recover/ORCL/datafile/o1_mf_undotbs1_f5dszvt5_.dbf deleted
auxiliary instance file /ora_xtts/recover/ORCL/datafile/o1_mf_system_f5dszvs1_.dbf deleted
auxiliary instance file /ora_xtts/recover/ORCL/controlfile/o1_mf_f5dszl5f_.ctl deleted
Finished recover at 2018-01-11 03:28:22
5.验证是否分区SH.SALES:SALES_Q3_1998被恢复成表JY.SALES_Q3_1998，分区SH.SALES:SALES_Q4_1998被恢复成表JY.SALES_Q4_1998，从查询记录可以看到已经成功恢复
SQL> select count(*) from JY.SALES_Q3_1998; COUNT(*) ---------- 50515 SQL> select count(*) from JY.SALES_Q4_1998; COUNT(*) ---------- 48874
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