2.16 ALTER EXTRACT
Use ALTER EXTRACT for the following purposes: To change the attributes of an Extract group created with the ADD EXTRACT command. To increment a trail to the next file in the sequence.
WhatsApp: +86 18221755073Use ALTER EXTRACT for the following purposes: To change the attributes of an Extract group created with the ADD EXTRACT command. To increment a trail to the next file in the sequence.
WhatsApp: +86 18221755073Extract to start processing at a specific location in the trail. For rac environments if you want extract process reads from thread 4 for the said date.
WhatsApp: +86 18221755073Select the start option for the Extract from the drop down list. The available options are: Begin Now: Use this option to immediately start the Extract. Custom Time: Use this option to set a time for starting the Extract.
WhatsApp: +86 18221755073Here the steps to implement this activity: 1:- Initial load / Import data to target DB: [oracle@RACnode1 ~]$ mkdir /tmp/EXPORT. [oracle@RACnode1 ~]$ chown oracle:oinstall /tmp/EXPORT. SQL> alter session set container=CDB19C_PDB; Session altered. SQL> create or replace directory HR_SYNC as '/tmp/EXPORT'; Directory created.
WhatsApp: +86 18221755073Extracts data from data tables for initial loading. It is used to delete the extract process, its checkpoints detail and unregister the extract group. DELETE EXTRACT e* ! It is used to register the extract process, so that it can retain the archive logs required for its recovery.
WhatsApp: +86 18221755073If you have a RAC with a certain number of threads and an extract that does not explicitly exclude threads, this is the procedure to alter extract to capture the new threads when you add new threads to the RAC.
WhatsApp: +86 18221755073Altering an Extract specified with the EXTTRAILSOURCE option. Altering the number of RAC threads specified with the THREADS option.
WhatsApp: +86 18221755073The extract process of Oracle GoldenGate is used to perform change data capture from the source database. The extract can be used to read the online transaction log (in Oracle the online redo logs) or the associated archive logs.
WhatsApp: +86 18221755073Here the steps to implement this activity: 1:- Initial load / Import data to target DB: [oracle@RACnode1 ~]$ mkdir /tmp/EXPORT. [oracle@RACnode1 ~]$ chown oracle:oinstall …
WhatsApp: +86 18221755073Select the start option for the Extract from the drop down list. The available options are: Begin Now: Use this option to immediately start the Extract. Custom Time: Use this option to set a …
WhatsApp: +86 18221755073I need to add one more thread with the existing 3 threads on running gg extracts. If so, can i do it with alter extract command can in run time or do we need to delete/ read them with 4 threads. Any kind of documentation with examples?
WhatsApp: +86 18221755073Altering an Extract specified with the EXTTRAILSOURCE option. Altering the number of RAC threads specified with the THREADS option.
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If you have a RAC with a certain number of threads and an extract that does not explicitly exclude threads, this is the procedure to alter extract to capture the new threads …
WhatsApp: +86 18221755073I need to add one more thread with the existing 3 threads on running gg extracts. If so, can i do it with alter extract command can in run time or do we need to delete/ read them …
WhatsApp: +86 18221755073