Database 11g

Tuesday, January 9, 2018

Logical Cumulative Backups in Oracle 11g using Exp Utility



>> Cumulative Export backsup the tables that have changed since the last cumulative or complete Export.

>> To understand more clearly pls check this scenario in which i took 'Complete' backup first and then i
   perform 'Cumulative' backup.

E:\exp_full> exp file=E:\exp_full\newcomplete_bkp log=newcomplete.log full=y inctype=complete

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
EXP-00041: INCTYPE parameter is obsolete
Export done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set

About to export the entire database ...
. exporting tablespace definitions
. exporting profiles
. exporting user definitions
. exporting roles
. exporting resource costs
. exporting rollback segment definitions
. exporting database links
. exporting sequence numbers
. exporting directory aliases
. exporting context namespaces
. exporting foreign function library names
. exporting object type definitions
. exporting system procedural objects and actions
. exporting pre-schema procedural objects and actions
. exporting cluster definitions
. about to export SYSTEM's tables via Conventional Path ...
. . exporting table                    DEF$_AQCALL                                       0 rows exported
. . exporting table                   DEF$_AQERROR                                     0 rows exported
. . exporting table                  DEF$_CALLDEST                                     0 rows exported
. . exporting table               DEF$_DEFAULTDEST                                 0 rows exported
. . exporting table               DEF$_DESTINATION                                  0 rows exported
. . exporting table                     DEF$_ERROR                                         0 rows exported
. . exporting table                       DEF$_LOB                                            0 rows exported
. . exporting table                    DEF$_ORIGIN                                         0 rows exported
. . exporting table                DEF$_PROPAGATOR                                  0 rows exported
. . exporting table       DEF$_PUSHED_TRANSACTIONS                     0 rows exported
 . exporting table       WWV_FLOW_PICK_PAGE_VIEWS                    5 rows exported
. . exporting table         WWV_FLOW_PLATFORM_PREF                    0 rows exported
. . exporting table        WWV_FLOW_PLATFORM_PREFS                   21 rows exported
. . exporting table    WWV_FLOW_POPUP_LOV_TEMPLATE             10 rows exported
. . exporting table          WWV_FLOW_PREFERENCES$                       0 rows exported
. . exporting table            WWV_FLOW_PROCESSING                          45 rows exported
. . exporting table     WWV_FLOW_PROVISION_COMPANY               0 rows exported
. . exporting table  WWV_FLOW_PROVISION_SERICE_MOD             0 rows exported
. . exporting table      WWV_FLOW_PURGED_SESSIONS$                   0 rows exported
. . exporting table         WWV_FLOW_QB_SAVED_COND                     0 rows exported
. . exporting table         WWV_FLOW_QB_SAVED_JOIN                        0 rows exported
. . exporting table        WWV_FLOW_QB_SAVED_QUERY                    0 rows exported
. . exporting table         WWV_FLOW_QB_SAVED_TABS                      0 rows exported
. . exporting table          WWV_FLOW_QUERY_COLUMN                    18 rows exported
. . exporting table       WWV_FLOW_QUERY_CONDITION                   6 rows exported
. . exporting table      WWV_FLOW_QUERY_DEFINITION                   6 rows exported
. . exporting table          WWV_FLOW_QUERY_OBJECT                       6 rows exported
. . exporting table         WWV_FLOW_RANDOM_IMAGES                    42 rows exported
. . exporting table WWV_FLOW_REGION_CHART_SER_ATTR           0 rows exported
. . exporting table  WWV_FLOW_REGION_REPORT_COLUMN          7903 rows exported
. . exporting table  WWV_FLOW_REGION_REPORT_FILTER               0 rows exported
. . exporting table   WWV_FLOW_REGION_UPD_RPT_COLS              439 rows exported
. . exporting table        WWV_FLOW_REPORT_LAYOUTS                     0 rows exported
. . exporting table WWV_FLOW_REQUEST_VERIFICATIONS             0 rows exported
. . exporting table        WWV_FLOW_REQUIRED_ROLES                     0 rows exported
. . exporting table    WWV_FLOW_RESTRICTED_SCHEMAS              46 rows exported
. . exporting table         WWV_FLOW_ROW_TEMPLATES                    54 rows exported
. . exporting table  WWV_FLOW_WORKSHEET_CATEGORIES          0 rows exported
. . exporting table     WWV_FLOW_WORKSHEET_COLUMNS            721 rows exported
. . exporting table  WWV_FLOW_WORKSHEET_COL_GROUPS         0 rows exported
 . exporting table                        OWBRTPS                                             0 rows exported
. about to export OWBSYS_AUDIT's tables via Conventional Path ...
. about to export DAVID's tables via Conventional Path ...
. . exporting table                            EMP                    0 rows exported
. . exporting table                            INV                     0 rows exported
. about to export ROSY's tables via Conventional Path ...
. . exporting table                            ACC                    0 rows exported
. . exporting table                           DEPT                   4 rows exported
. about to export SARA's tables via Conventional Path ...
. . exporting table                           DEPT                   4 rows exported
. . exporting table                            EMP                  14 rows exported
. . exporting table                       SALGRADE          5 rows exported

. about to export SCOTT's tables via Conventional Path ...
. . exporting table                          BONUS              0 rows exported
. . exporting table                           DEPT               4 rows exported
. . exporting table                            EMP               14 rows exported
. . exporting table                         EMPNEW         14 rows exported
. . exporting table                       SALGRADE       5 rows exported
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting user history table
. exporting default and system auditing options
. exporting statistics
Export terminated successfully with warnings.


>> All the tables are exported in this above output.


                              ####################################################
                                          CREATED ONE USER AND ADDED 4 TABLES
                               ####################################################


SQL> create table lab.lab_emp as select * from scott.emp;

Table created.

SQL> create table lab.lab_salgrade as select * from scott.salgrade;

Table created.

SQL> create table lab.lab_bonus as select * from scott.bonus;

Table created.

SQL> create table lab.lab_department as select * from scott.dept;

Table created.

SQL> commit;



 Now Take Cumulative Backup


E:\exp_full> exp file=E:\exp_full\labcum_bkp log=labcum.log full=y inctype=cumulative

Username: system
Password:

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
EXP-00041: INCTYPE parameter is obsolete
Export done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set

About to export the entire database ...
. exporting tablespace definitions
. exporting profiles
. exporting user definitions
. exporting roles
. exporting resource costs
. exporting rollback segment definitions
EXP-00107: Feature (BINARY XML) of column OPERAND in table ORDDATA.ORDDCM_CT_PRED_OPRD is not supported. The table will not be exported.
. . exporting table        ORDDCM_CT_PRED_OPRD_TMP
EXP-00107: Feature (BINARY XML) of column OPERAND in table ORDDATA.ORDDCM_CT_PRED_OPRD_TMP is not supported. The table will not be exported.
. . exporting table        ORDDCM_CT_PRED_OPRD_WRK
EXP-00107: Feature (BINARY XML) of column OPERAND in table ORDDATA.ORDDCM_CT_PRED_OPRD_WRK is not supported. The table will not be exported.
. . exporting table                    ORDDCM_DOCS
EXP-00107: Feature (BINARY XML) of column XML_CONTENT in table APEX_030200.WWV_MIG_RPTS is not supported. The table will not be exported.
. about to export OWBSYS's tables via Conventional Path ...
. about to export OWBSYS_AUDIT's tables via Conventional Path ...
. about to export DAVID's tables via Conventional Path ...
. about to export ROSY's tables via Conventional Path ...
. about to export SARA's tables via Conventional Path ...
. about to export SCOTT's tables via Conventional Path ...

. about to export LAB's tables via Conventional Path ...
. . exporting table                      LAB_BONUS                        0 rows exported
. . exporting table                 LAB_DEPARTMENT                 4 rows exported
. . exporting table                        LAB_EMP                           14 rows exported
. . exporting table                   LAB_SALGRADE                    5 rows exported

. exporting synonyms
. exporting views
. exporting referential integrity constraints
. exporting stored procedures
. exporting operators
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting triggers
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting user history table
. exporting default and system auditing options
. exporting information about dropped objects
. exporting statistics
Export terminated successfully with warnings.


>> You can observe in both this scenarios output, how 'COMPLETE' option is taking all the tables backup which is nothing but full=y and compare this from the 'CUMULATIVE' output which is exported only 4 tables  which we added after complete backup.




Happy Learning....





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