Wednesday, December 4, 2013

Oracle Database 12c–Recover Table using RMAN

Please take note that demo database is a pluggable database, although the table recovery shall be the same regardless of PDB or not, with minor syntax difference.

1. Perform the backup

[oracle@gc12c ~]$ rman target /

Recovery Manager: Release 12.1.0.1.0 - Production on Wed Dec 4 20:41:25 2013

Copyright (c) 1982, 2013, Oracle and/or its affiliates. All rights reserved.

connected to target database: CDBORCL (DBID=2818129616)

RMAN> backup database demo;

Starting backup at 04-DEC-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=40 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00009 name=/u01/app/oracle/oradata/cdborcl/demo/sysaux01.dbf
input datafile file number=00011 name=/u01/app/oracle/oradata/cdborcl/demo/example01.dbf
input datafile file number=00008 name=/u01/app/oracle/oradata/cdborcl/demo/system01.dbf
input datafile file number=00010 name=/u01/app/oracle/oradata/cdborcl/demo/SAMPLE_SCHEMA_users01.dbf
channel ORA_DISK_1: starting piece 1 at 04-DEC-13
channel ORA_DISK_1: finished piece 1 at 04-DEC-13
piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/EC8587CDE0150D19E043C906A8C0B994/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T204133_99y8qy4k_.bkp tag=TAG20131204T204133 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:45
Finished backup at 04-DEC-13

Starting Control File and SPFILE Autobackup at 04-DEC-13
piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/autobackup/2013_12_04/o1_mf_s_833316139_99y8scgp_.bkp comment=NONE
Finished Control File and SPFILE Autobackup at 04-DEC-13

RMAN> exit


2. Simulate disaster



[oracle@gc12c ~]$ sqlplus hr/hr@localhost:1521/demo

SQL*Plus: Release 12.1.0.1.0 Production on Wed Dec 4 20:43:07 2013

Copyright (c) 1982, 2013, Oracle. All rights reserved.

Last Successful login time: Sat May 25 2013 04:22:56 +08:00

Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

SQL> truncate table employee2;

Table truncated.



3. Perform Table Recovery



[oracle@gc12c ~]$ export NLS_DATE_FORMAT='DD-MON-YYYY HH24:MI:SS'
[oracle@gc12c ~]$ rman target /

Recovery Manager: Release 12.1.0.1.0 - Production on Wed Dec 4 21:17:27 2013

Copyright (c) 1982, 2013, Oracle and/or its affiliates. All rights reserved.

connected to target database: CDBORCL (DBID=2818129616)

RMAN> recover table hr.employee2 of pluggable database demo until time "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')"
2> auxiliary destination '/tmp' remap table hr.employee2:employee2_restored;

Starting recover at 04-DEC-2013 21:19:10
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=63 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='CEee'

initialization parameters used for automatic instance:
db_name=CDBORCL
db_unique_name=CEee_pitr_demo_CDBORCL
compatible=12.1.0.0.0
db_block_size=8192
db_files=200
sga_target=1G
processes=80
diagnostic_dest=/u01/app/oracle
db_create_file_dest=/tmp
log_archive_dest_1='location=/tmp'
enable_pluggable_database=true
_clone_one_pdb_recovery=true
#No auxiliary parameter file used


starting up automatic instance CDBORCL

Oracle instance started

Total System Global Area 1068937216 bytes

Fixed Size 2296576 bytes
Variable Size 281019648 bytes
Database Buffers 780140544 bytes
Redo Buffers 5480448 bytes
Automatic instance created

contents of Memory Script:
{
# set requested point in time
set until time "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')";
# 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 04-DEC-2013 21:19:17
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: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/CDBORCL/autobackup/2013_12_04/o1_mf_s_833316139_99y8scgp_.bkp
channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/autobackup/2013_12_04/o1_mf_s_833316139_99y8scgp_.bkp tag=TAG20131204T204219
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/tmp/CDBORCL/controlfile/o1_mf_99ybyp57_.ctl
Finished restore at 04-DEC-2013 21:19:19

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 "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')";
# set destinations for recovery set and auxiliary set datafiles
set newname for clone datafile 1 to new;
set newname for clone datafile 4 to new;
set newname for clone datafile 3 to new;
set newname for clone datafile 8 to new;
set newname for clone datafile 9 to new;
set newname for clone tempfile 1 to new;
set newname for clone tempfile 3 to new;
# switch all tempfiles
switch clone tempfile all;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile 1, 4, 3, 8, 9;
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

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

renamed tempfile 1 to /tmp/CDBORCL/datafile/o1_mf_temp_%u_.tmp in control file
renamed tempfile 3 to /tmp/CDBORCL/datafile/o1_mf_temp_%u_.tmp in control file

Starting restore at 04-DEC-2013 21:19:23
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 /tmp/CDBORCL/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00004 to /tmp/CDBORCL/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00003 to /tmp/CDBORCL/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/CDBORCL/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T203105_99y849k3_.bkp
channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T203105_99y849k3_.bkp tag=TAG20131204T203105
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:57
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 00008 to /tmp/CDBORCL/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00009 to /tmp/CDBORCL/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/CDBORCL/EC8587CDE0150D19E043C906A8C0B994/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T204133_99y8qy4k_.bkp
channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/EC8587CDE0150D19E043C906A8C0B994/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T204133_99y8qy4k_.bkp tag=TAG20131204T204133
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:25
Finished restore at 04-DEC-2013 21:20:45

datafile 1 switched to datafile copy
input datafile copy RECID=12 STAMP=833318445 file name=/tmp/CDBORCL/datafile/o1_mf_system_99ybyvx8_.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=13 STAMP=833318445 file name=/tmp/CDBORCL/datafile/o1_mf_undotbs1_99ybyvy0_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=14 STAMP=833318445 file name=/tmp/CDBORCL/datafile/o1_mf_sysaux_99ybyvxw_.dbf
datafile 8 switched to datafile copy
input datafile copy RECID=15 STAMP=833318445 file name=/tmp/CDBORCL/datafile/o1_mf_system_99yc0nj2_.dbf
datafile 9 switched to datafile copy
input datafile copy RECID=16 STAMP=833318445 file name=/tmp/CDBORCL/datafile/o1_mf_sysaux_99yc0nhg_.dbf

contents of Memory Script:
{
# set requested point in time
set until time "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')";
# online the datafiles restored or switched
sql clone "alter database datafile 1 online";
sql clone "alter database datafile 4 online";
sql clone "alter database datafile 3 online";
sql clone 'DEMO' "alter database datafile
8 online"
;
sql clone 'DEMO' "alter database datafile
9 online"
;
# recover and open database read only
recover clone database tablespace "SYSTEM", "UNDOTBS1", "SYSAUX", "DEMO":"SYSTEM", "DEMO":"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 4 online

sql statement: alter database datafile 3 online

sql statement: alter database datafile 8 online

sql statement: alter database datafile 9 online

Starting recover at 04-DEC-2013 21:20:45
using channel ORA_AUX_DISK_1

starting media recovery

archived log for thread 1 with sequence 15 is already on disk as file /u01/app/oracle/fast_recovery_area/CDBORCL/archivelog/2013_12_04/o1_mf_1_15_99y90sr7_.arc
channel ORA_AUX_DISK_1: starting archived log restore to default destination
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=14
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/CDBORCL/backupset/2013_12_04/o1_mf_annnn_TAG20131204T203240_99y87926_.bkp
channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/backupset/2013_12_04/o1_mf_annnn_TAG20131204T203240_99y87926_.bkp tag=TAG20131204T203240
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
archived log file name=/tmp/1_14_833108818.dbf thread=1 sequence=14
archived log file name=/u01/app/oracle/fast_recovery_area/CDBORCL/archivelog/2013_12_04/o1_mf_1_15_99y90sr7_.arc thread=1 sequence=15
media recovery complete, elapsed time: 00:00:01
Finished recover at 04-DEC-2013 21:20:48

sql statement: alter database open read only

contents of Memory Script:
{
sql clone 'alter pluggable database DEMO open read only';
}
executing Memory Script

sql statement: alter pluggable database DEMO 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 =
''/tmp/CDBORCL/controlfile/o1_mf_99ybyp57_.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 1068937216 bytes

Fixed Size 2296576 bytes
Variable Size 285213952 bytes
Database Buffers 775946240 bytes
Redo Buffers 5480448 bytes

sql statement: alter system set control_files = ''/tmp/CDBORCL/controlfile/o1_mf_99ybyp57_.ctl'' comment= ''RMAN set'' scope=spfile

Oracle instance shut down

connected to auxiliary database (not started)
Oracle instance started

Total System Global Area 1068937216 bytes

Fixed Size 2296576 bytes
Variable Size 285213952 bytes
Database Buffers 775946240 bytes
Redo Buffers 5480448 bytes

sql statement: alter database mount clone database

contents of Memory Script:
{
# set requested point in time
set until time "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')";
# set destinations for recovery set and auxiliary set datafiles
set newname for datafile 11 to new;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile 11;
switch clone datafile all;
}
executing Memory Script

executing command: SET until clause

executing command: SET NEWNAME

Starting restore at 04-DEC-2013 21:21:13
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 00011 to /tmp/CEEE_PITR_DEMO_CDBORCL/datafile/o1_mf_example_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/CDBORCL/EC8587CDE0150D19E043C906A8C0B994/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T204133_99y8qy4k_.bkp
channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/CDBORCL/EC8587CDE0150D19E043C906A8C0B994/backupset/2013_12_04/o1_mf_nnndf_TAG20131204T204133_99y8qy4k_.bkp tag=TAG20131204T204133
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15
Finished restore at 04-DEC-2013 21:21:28

datafile 11 switched to datafile copy
input datafile copy RECID=18 STAMP=833318488 file name=/tmp/CEEE_PITR_DEMO_CDBORCL/datafile/o1_mf_example_99yc29jc_.dbf

contents of Memory Script:
{
# set requested point in time
set until time "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')";
# online the datafiles restored or switched
sql clone 'DEMO' "alter database datafile
11 online"
;
# recover and open resetlogs
recover clone database tablespace "DEMO":"EXAMPLE", "SYSTEM", "UNDOTBS1", "SYSAUX", "DEMO":"SYSTEM", "DEMO":"SYSAUX" delete archivelog;
alter clone database open resetlogs;
}
executing Memory Script

executing command: SET until clause

sql statement: alter database datafile 11 online

Starting recover at 04-DEC-2013 21:21:28
using channel ORA_AUX_DISK_1

starting media recovery

archived log for thread 1 with sequence 15 is already on disk as file /u01/app/oracle/fast_recovery_area/CDBORCL/archivelog/2013_12_04/o1_mf_1_15_99y90sr7_.arc
archived log file name=/u01/app/oracle/fast_recovery_area/CDBORCL/archivelog/2013_12_04/o1_mf_1_15_99y90sr7_.arc thread=1 sequence=15
media recovery complete, elapsed time: 00:00:00
Finished recover at 04-DEC-2013 21:21:29

database opened

contents of Memory Script:
{
sql clone 'alter pluggable database DEMO open';
}
executing Memory Script

sql statement: alter pluggable database DEMO open

contents of Memory Script:
{
# create directory for datapump import
sql 'DEMO' "create or replace directory
TSPITR_DIROBJ_DPDIR as ''
/tmp''"
;
# create directory for datapump export
sql clone 'DEMO' "create or replace directory
TSPITR_DIROBJ_DPDIR as ''
/tmp''"
;
}
executing Memory Script

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/tmp''

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/tmp''

Performing export of tables...
EXPDP> Starting "SYS"."TSPITR_EXP_CEee_uCuC":
EXPDP> Estimate in progress using BLOCKS method...
EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
EXPDP> Total estimation using BLOCKS method: 64 KB
EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE
EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
EXPDP> . . exported "HR"."EMPLOYEE2" 17.07 KB 107 rows
EXPDP> Master table "SYS"."TSPITR_EXP_CEee_uCuC" successfully loaded/unloaded
EXPDP> ******************************************************************************
EXPDP> Dump file set for SYS.TSPITR_EXP_CEee_uCuC is:
EXPDP> /tmp/tspitr_CEee_70300.dmp
EXPDP> Job "SYS"."TSPITR_EXP_CEee_uCuC" successfully completed at Wed Dec 4 21:22:14 2013 elapsed 0 00:00:19
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_CEee_yigA" successfully loaded/unloaded
IMPDP> Starting "SYS"."TSPITR_IMP_CEee_yigA":
IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE
IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
IMPDP> . . imported "HR"."EMPLOYEE2_RESTORED" 17.07 KB 107 rows
IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER
IMPDP> Job "SYS"."TSPITR_IMP_CEee_yigA" successfully completed at Wed Dec 4 21:22:33 2013 elapsed 0 00:00:13
Import completed


Removing automatic instance
Automatic instance removed
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_temp_99yc1py4_.tmp deleted
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_temp_99yc1kdl_.tmp deleted
auxiliary instance file /tmp/CEEE_PITR_DEMO_CDBORCL/onlinelog/o1_mf_3_99yc2tmo_.log deleted
auxiliary instance file /tmp/CEEE_PITR_DEMO_CDBORCL/onlinelog/o1_mf_2_99yc2sr7_.log deleted
auxiliary instance file /tmp/CEEE_PITR_DEMO_CDBORCL/onlinelog/o1_mf_1_99yc2sc8_.log deleted
auxiliary instance file /tmp/CEEE_PITR_DEMO_CDBORCL/datafile/o1_mf_example_99yc29jc_.dbf deleted
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_sysaux_99yc0nhg_.dbf deleted
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_system_99yc0nj2_.dbf deleted
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_sysaux_99ybyvxw_.dbf deleted
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_undotbs1_99ybyvy0_.dbf deleted
auxiliary instance file /tmp/CDBORCL/datafile/o1_mf_system_99ybyvx8_.dbf deleted
auxiliary instance file /tmp/CDBORCL/controlfile/o1_mf_99ybyp57_.ctl deleted
auxiliary instance file tspitr_CEee_70300.dmp deleted
Finished recover at 04-DEC-2013 21:22:35

RMAN> quit



4. Post verification (RMAN New Features)



[oracle@gc12c ~]$ rman target sys/password@localhost:1521/demo

Recovery Manager: Release 12.1.0.1.0 - Production on Wed Dec 4 21:23:17 2013

Copyright (c) 1982, 2013, Oracle and/or its affiliates. All rights reserved.

connected to target database: CDBORCL (DBID=2818129616)

RMAN> select count(*) from hr.employee2_restored;

using target database control file instead of recovery catalog
COUNT(*)
----------
107

RMAN> exit


Recovery Manager complete.



 



5. Possible errors



Error 1:



RMAN> recover table hr.employee2 of pluggable database demo until time "to_date('04-dec 20:43:07','dd-mon hh24:mi:ss')" preview;

Starting recover at 04-DEC-13
using target database control file instead of recovery catalog
current log archived
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 12/04/2013 20:46:17
RMAN-05063: Cannot recover specified tables
RMAN-05112: table "HR"."EMPLOYEE2" already exists




Error 2:



Performing import of tables...
IMPDP> Master table "SYS"."TSPITR_IMP_dCcB_Enrl" successfully loaded/unloaded
IMPDP> Starting "SYS"."TSPITR_IMP_dCcB_Enrl":
IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE
IMPDP> ORA-39083: Object type TABLE:"HR"."EMPLOYEES_RESTORED" failed to create with error:
ORA-02264: name already used by an existing constraint
Failing sql is:
CREATE TABLE "HR"."EMPLOYEES_RESTORED" ("EMPLOYEE_ID" NUMBER(6,0), "FIRST_NAME" VARCHAR2(20 BYTE), "LAST_NAME" VARCHAR2(25 BYTE) CONSTRAINT "EMP_LAST_NAME_NN" NOT NULL ENABLE, "EMAIL" VARCHAR2(25 BYTE) CONSTRAINT "EMP_EMAIL_NN" NOT NULL ENABLE, "PHONE_NUMBER" VARCHAR2(20 BYTE), "HIRE_DATE" DATE CONSTRAINT "EMP_HIRE_DATE_NN" NOT NULL ENABLE, "JOB_ID" VARCH
IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
IMPDP> Processing object type TABLE_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
IMPDP> ORA-39112: Dependent object type OBJECT_GRANT:"HR" skipped, base object type TABLE:"HR"."EMPLOYEES" creation failed
ORA-39112: Dependent object type OBJECT_GRANT:"HR" skipped, base object type TABLE:"HR"."EMPLOYEES" creation failed
IMPDP> Processing object type TABLE_EXPORT/TABLE/COMMENT
IMPDP> ORA-39112: Dependent object type COMMENT skipped, base object type TABLE:"HR"."EMPLOYEES" creation failed

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