{"id":55526,"date":"2024-01-05T18:58:11","date_gmt":"2024-01-05T18:58:11","guid":{"rendered":"https:\/\/dbtut.com\/?p=55526"},"modified":"2024-01-05T19:02:02","modified_gmt":"2024-01-05T19:02:02","slug":"flashback-activation-procedure","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2024\/01\/05\/flashback-activation-procedure\/","title":{"rendered":"Flashback Activation Procedure"},"content":{"rendered":"<p>In today&#8217;s article, we will be discussing what the Flashback Activation Procedure is in Oracle database.<\/p>\n<p>1. MWRPR replicas must stop. Otherwise, REPLICAT PROCESS will receive an error when the database is closed.<\/p>\n<pre class=\"lang:default decode:true \">[root@mwrpr1 ~]# su - goldengate\r\n\u00a0\r\n$ \/goldengate\/ggs\/ggsci\r\n\u00a0\r\n&gt; stop *<\/pre>\n<p>2. In order to use the FLASHBACK feature in the database, the database must be ARCHIVE LOG MODE.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; select log_mode from v$database;\r\n\u00a0\r\nLOG_MODE\r\n------------\r\nNOARCHIVELOG\r\n\u00a0\r\n[oracle@mwrpr1 ~]$ srvctl stop database -d mwrpr\r\n\r\n[NODE1]\u00a0\r\n[oracle@mwrpr1 ~]$\u00a0 sqlplus \/ as sysdba\r\n\u00a0\r\nSQL*Plus: Release 11.2.0.4.0 Production on Sat Feb 20 12:59:15 2016\r\n\u00a0\r\nCopyright (c) 1982, 2013, Oracle.\u00a0 All rights reserved.\r\n\u00a0\r\nConnected to an idle instance.\r\n\u00a0\r\nSQL&gt; startup mount;\r\nORACLE instance started.\r\n\u00a0\r\nTotal System Global Area 5344731136 bytes\r\nFixed Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2262656 bytes\r\nVariable Size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4848617856 bytes\r\nDatabase Buffers\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 486539264 bytes\r\nRedo Buffers\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7311360 bytes\r\nDatabase mounted.\r\n\u00a0\r\nSQL&gt; alter database archivelog;\r\n\u00a0\r\nDatabase altered.\r\n\u00a0\r\nSQL&gt; alter database open;\r\n\u00a0\r\nDatabase altered.\r\n\u00a0\r\nSQL&gt; select log_mode from v$database;\r\n\u00a0\r\nLOG_MODE\r\n------------\r\nARCHIVELOG\r\n\r\n[NODE2]\u00a0\r\n\u00a0\r\nSQL&gt; startup;\r\nORACLE instance started.\r\n\r\nTotal System Global Area 6898044928 bytes\r\nFixed Size                  2266384 bytes\r\nVariable Size            1291848432 bytes\r\nDatabase Buffers         5586812928 bytes\r\nRedo Buffers               17117184 bytes\r\nDatabase mounted.\r\nDatabase opened.<\/pre>\n<p>3. Now that the database is in archive mode, we can start MWRPR REPLICAT.<\/p>\n<pre class=\"lang:default decode:true \">[root@mwrpr1 ~]# su - goldengate\r\n\u00a0\r\n$ \/goldengate\/ggs\/ggsci\r\n\u00a0\r\n&gt; start *<\/pre>\n<p>4. Before enabling the FLASHBACK feature, we need to check and set the following parameters in the database.<\/p>\n[NODE1]\n<p>a. How long will FLASHBACK logs be stored?<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; show parameter db_flashback\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0TYPE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VALUE\r\n------------------------------------ ----------- ------------------------------\r\ndb_flashback_retention_target\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 integer\u00a0\u00a0\u00a0\u00a0 1440<\/pre>\n<p>The above value is 1440 minutes (24 hours). We can adjust this value as we wish.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; alter system set db_flashback_retention_target=60 scope=both;\r\n\u00a0\r\nSystem altered.\r\n\u00a0\r\n\u00a0\r\nSQL&gt; show parameter db_flashback_retention_target\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TYPE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VALUE\r\n------------------------------------ ----------- ------------------------------\r\ndb_flashback_retention_target\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 integer\u00a0\u00a0\u00a0\u00a0 60<\/pre>\n<p>b. The size of the archive area where FLASHBACK logs will be stored should be checked.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; show parameter db_recovery_file_dest_size\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TYPE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VALUE\r\n------------------------------------ ----------- ------------------------------\r\ndb_recovery_file_dest_size\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 big integer 130G\r\n\u00a0\r\n\u00a0\r\nSQL&gt; select name, total_mb, free_mb from v$asm_diskgroup;\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0TOTAL_MB\u00a0\u00a0\u00a0 FREE_MB\r\n------------------------------ ---------- ----------\r\nDATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255996\u00a0\u00a0\u00a0\u00a0\u00a0 55996\r\nFRA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 153597\u00a0\u00a0\u00a0\u00a0 124478<\/pre>\n<p>c. The location of the archive area where FLASHBACK logs will be stored should be checked.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; show parameter db_recovery_file_dest\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TYPE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VALUE\r\n------------------------------------ ----------- ------------------------------\r\ndb_recovery_file_dest\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 string\u00a0\u00a0\u00a0\u00a0\u00a0 +FRA<\/pre>\n<p>d. UNDO TABLESPACE has to be GUARANTEE.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; select tablespace_name, retention from dba_tablespaces where tablespace_name like 'UNDO%';\r\n\u00a0\r\nTABLESPACE_NAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 RETENTION\r\n------------------------------ -----------\r\nUNDOTBS1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 GUARANTEE\r\nUNDOTBS2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 GUARANTEE<\/pre>\n<p>If UNDO TBS is not GUARANTEE, it can be set as follows.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; alter tablespace UNDOTBS1 retention guarantee;\r\n\u00a0\r\nTablespace altered.<\/pre>\n<p>e. UNDO TABLESPACE must be AUTOEXTENSIBLE.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; select TABLESPACE_NAME, AUTOEXTENSIBLE from dba_data_files where tablespace_name like 'UNDO%';\r\n\u00a0\r\nTABLESPACE_NAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AUT\r\n------------------------------ ---\r\nUNDOTBS1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 YES\r\nUNDOTBS2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 YES<\/pre>\n<p>f. UNDO parameters should be checked. Necessary changes should be made.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; show parameter undo\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TYPE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VALUE\r\n------------------------------------ ----------- ------------------------------\r\nundo_management\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 string\u00a0\u00a0\u00a0\u00a0\u00a0 AUTO\r\nundo_retention\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 integer\u00a0\u00a0\u00a0\u00a0 900\r\nundo_tablespace\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 string\u00a0\u00a0\u00a0\u00a0\u00a0 UNDOTBS1\r\n\u00a0\r\n\u00a0\r\nSQL&gt; alter system set undo_retention = 1800 scope=both;\r\n\u00a0\r\nSystem altered.<\/pre>\n<p>g. UNDO TABLESPACE dimensions should be checked. If there are UNDO TBS smaller than the estimated size, their size should be increased.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; select tablespace_name, BYTES\/1024\/1024 MB from dba_data_files where tablespace_name like 'UNDO%';\r\n\u00a0\r\nTABLESPACE_NAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 MB\r\n------------------------------ ----------\r\nUNDOTBS1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1205\r\nUNDOTBS2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1175\r\n\u00a0\r\nSQL&gt; alter tablespace UNDOTBS1 add datafile '+DATA' size 20G autoextend on next 1G maxsize unlimited;\r\n\u00a0\r\nTablespace altered.\r\n\u00a0\r\nSQL&gt; alter tablespace UNDOTBS2 add datafile '+DATA' size 20G autoextend on next 1G maxsize unlimited;\r\n\u00a0\r\nTablespace altered.\r\n\u00a0\r\nSQL&gt; select name, total_mb, free_mb from v$asm_diskgroup;\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TOTAL_MB\u00a0\u00a0\u00a0 FREE_MB\r\n------------------------------ ---------- ----------\r\nDATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255996\u00a0\u00a0\u00a0\u00a0\u00a0 15032\r\nFRA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 153597\u00a0\u00a0\u00a0\u00a0 124478<\/pre>\n<p>h. In order to use the FLASHBACK QUERY feature, the database must be in SUPPLEMENTAL LOGGING mode. (for Flashback Query)<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; select SUPPLEMENTAL_LOG_DATA_MIN, SUPPLEMENTAL_LOG_DATA_PK, SUPPLEMENTAL_LOG_DATA_FK from v$database;\r\n\u00a0\r\nSUPPLEME SUP SUP\r\n-------- --- ---\r\nYES\u00a0\u00a0\u00a0\u00a0\u00a0 YES YES<\/pre>\n<p>If it is closed, it can be activated as follows.<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; alter database add supplemental log data;\r\n\u00a0\r\nDatabase altered.\r\n\u00a0\r\nSQL&gt; alter database add supplemental log data (primary key) columns;\r\n\u00a0\r\nDatabase altered.\r\n\u00a0\r\nSQL&gt; alter database add supplemental log data (foreign key) columns ;\r\n\u00a0\r\nDatabase altered.<\/pre>\n<p>i. In order to use the FLASHBACK TABLE feature, the ROW MOVEMENT value of the table to be flashed must be ENABLE. This parameter can also be updated in case of a problem. (For Flashback Table)<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; select table_name, row_movement from dba_tables where table_name like 'ACCOUNT%';\r\n\u00a0\r\nTABLE_NAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ROW_MOVE\r\n------------------------------ --------\r\nACCOUNT\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 DISABLED\r\n\u00a0\r\n\u00a0\r\nSQL&gt; alter table WEBTELMWCORE.ACCOUNT enable row movement;\r\n\u00a0\r\nTable altered.\r\n\u00a0\r\nSQL&gt; select table_name, row_movement from dba_tables where table_name like 'ACCOUNT%';\r\n\u00a0\r\nTABLE_NAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ROW_MOVE\r\n------------------------------ --------\r\nACCOUNT\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED<\/pre>\n<p>j. The RECYCLEBIN folder must be active so that we can retrieve the tables we sent to the trash bin with the DROP TABLE command. (Flashback Drop)<\/p>\n<pre class=\"lang:default decode:true \">SQL&gt; show parameter recyclebin\r\n\u00a0\r\nNAME\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TYPE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VALUE\r\n------------------------------------ ----------- ------------------------------\r\nrecyclebin\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 string\u00a0\u00a0\u00a0\u00a0 \u00a0on<\/pre>\n<p>5. Now that all preparations are completed, Database FLASHBACK can be activated.<\/p>\n<pre class=\"lang:default decode:true\">SQL&gt; select flashback_on from v$database;\r\n\u00a0\r\nFLASHBACK_ON\r\n------------------\r\nNO\r\n\u00a0\r\nSQL&gt; alter database flashback on;\r\n\u00a0\r\nDatabase altered.\r\n\u00a0\r\nSQL&gt; select flashback_on from v$database;\r\n\u00a0\r\nFLASHBACK_ON\r\n------------------\r\nYES<\/pre>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_55526\" class=\"pvc_stats all  \" data-element-id=\"55526\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In today&#8217;s article, we will be discussing what the Flashback Activation Procedure is in Oracle database. 1. MWRPR replicas must stop. Otherwise, REPLICAT PROCESS will receive an error when the database is closed. [root@mwrpr1 ~]# su &#8211; goldengate \u00a0 $ \/goldengate\/ggs\/ggsci \u00a0 &gt; stop * 2. In order to use the FLASHBACK feature in the &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_55526\" class=\"pvc_stats all  \" data-element-id=\"55526\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":484,"featured_media":55528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-55526","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oracle"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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