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DanielSol
Contributor II
Contributor II

Enabling CDC from Replicate side

I don’t see the option to automatically enable data capture change from replicate side. Is that option only for few endpoints?

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1 Solution

Accepted Solutions
Alan_Wang
Support
Support

Hi @DanielSol 

Each endpoint has its own prerequisites to enable CDC. Some endpoints will automatically allow CDC (No settings required) as long as the right permissions have been given to the user accessing the database. Some endpoints require some configurations on the database end. DB2 has the option to enable CDC with database configurations from the Replicate UI, but most endpoints do not.

Please refer to the User guide for each endpoint to learn more about the prerequisites and what steps need to be taken to set up the task for replication.

https://help.qlik.com/en-US/replicate/May2022/Content/Replicate/Main/source%20endpoints/Add_manage_s...

If additional steps need to be taken to enable CDC on the database end, it will fall under a topic called "Preparing the database for Replication"

Example user guide for Amazon RDS for SQL server as a source as it is one of the endpoints that need additional preparations

https://help.qlik.com/en-US/replicate/May2022/Content/Replicate/Main/AWS%20RDS%20MSSQL/aws_SQLServer...

 

If the issue is solved please mark the answer with Accept as Solution.

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10 Replies
Steve_Nguyen
Support
Support

not sure what endpoint you are using.

 

but enable CDC is on task setting, where you enable CDC.

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DanielSol
Contributor II
Contributor II
Author

Is it possible to enable cdc of tables from Qlik side without DBA interference?  

DanielSol
Contributor II
Contributor II
Author

Is it possible to enable cdc of tables from Qlik side without DBA interference?
Dineshan
Support
Support

Hello Daniel,

Like Steve mentioned enable CDC is on task setting. CDC will work for all the tables that are part of the task.

Does that help?

 

Michael_Litz
Support
Support

Hi Daniel,

When you first create a task you can select the Apply Changes button. This allows the task to capture changes.

Michael_Litz_0-1663261699936.png

Please let me know if this helps.

Thanks,
Michael

DanielSol
Contributor II
Contributor II
Author

Please forward this question to Barbara who was a speaker at today's techspert webinar. My question is about enabling CDC on database level. Can you please share documentation or a screenshot to enable cdc of the object from Qlik replicate?
 
Heinvandenheuvel
Specialist III
Specialist III

NO.

Daniel my friend, repeating the exact same question doesn't help anyone. Please clarify in more detail what you are trying to accomplish best as you can. Before doing  sure to review the Replicate documentation best you can, to at least get an idea of the terminology/language used for the various action and components.

Tell us where the (change) data is coming from, where it is going, and perhaps some special requirements.

Most importantly tell us which SOURCE ENDPOINT is considered and carefully read up on the PREREQUISITES for  that  source endpoint in the Replicate documentation.

I can tell you already though that the answer is NO. Somebody, probably a DBA or perhaps yourself, probably needs to maak some preparations on the source. Read, and be the judge yourself.

Typically a (often privileged) username/password needs to be set up and access to the transaction log provided (WAL, REDO, T-LOG, whatever it is called for the desired source).  And often the source DB has to be told to log more than the minimum information, or retain it longer. Replicate can handle the table actions - provided the right privileges are in place. It's all in the books.

There are some exceptions where little or no action is needs - they are sort of non-CDC CDC solutions: ODBC-CDC, Files.

hth,

Hein.

Alan_Wang
Support
Support

Hi @DanielSol 

Each endpoint has its own prerequisites to enable CDC. Some endpoints will automatically allow CDC (No settings required) as long as the right permissions have been given to the user accessing the database. Some endpoints require some configurations on the database end. DB2 has the option to enable CDC with database configurations from the Replicate UI, but most endpoints do not.

Please refer to the User guide for each endpoint to learn more about the prerequisites and what steps need to be taken to set up the task for replication.

https://help.qlik.com/en-US/replicate/May2022/Content/Replicate/Main/source%20endpoints/Add_manage_s...

If additional steps need to be taken to enable CDC on the database end, it will fall under a topic called "Preparing the database for Replication"

Example user guide for Amazon RDS for SQL server as a source as it is one of the endpoints that need additional preparations

https://help.qlik.com/en-US/replicate/May2022/Content/Replicate/Main/AWS%20RDS%20MSSQL/aws_SQLServer...

 

If the issue is solved please mark the answer with Accept as Solution.
DanielSol
Contributor II
Contributor II
Author

Please refer to the reply by Alan Wang. He clearly understood my question.