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What are Talend change data capture's pluses and deltas in a production EAI+big data integration scenario?


What are Talend change data capture's pluses and deltas in a production EAI+big data integration scenario?

By : user2956277
Date : November 22 2020, 10:54 AM
wish of those help The change data capture stuff relies on database triggers to build a table in your source database of changes made to tracked source tables. Talend will automatically create these for you and then using the CDC components you can use it to easily read in the changes made.
I have some experience of using this on a batch basis with a DI (data integration) job checking the CDC tables on run time and updating downstream systems or with any changes but I'm not sure how well it works, if at all, using Talend ESB to make this more real time as the mechanism is essentially just polling the CDC table rather than waiting for am event. You can of course set your DI job to poll every minute or even few seconds to make it a pseudo real time process. Some RDBMS (Oracle springs to mind) will allow you to call a web service on an event which would allow you to use this as a fata service but I'm always a little uncomfortable with the idea.
code :


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Casting date in Talend Data Integration

Casting date in Talend Data Integration


By : oupeh
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Talend offers you a nice way of handling date formats. You can easily change the date format in the Schema editor tab at the tMap window.
It works for both tMap input and output flows. I've added a picture for a better illustration.
Difference between Talend Open Studio for Data Integration and Talend Open Studio for Big Data

Difference between Talend Open Studio for Data Integration and Talend Open Studio for Big Data


By : Ãmeeř Bshaŕat
Date : March 29 2020, 07:55 AM
this one helps. Aside from the different connectors they differ on one key point, the code base they generate.
Talend Open Studio for Data Integration generates Java code while the Talend Open Studio for Big Data can generate map reduce code as well as Java code.
How can a properties file be created using Talend Open Studio Data Integration?

How can a properties file be created using Talend Open Studio Data Integration?


By : ZephMB
Date : March 29 2020, 07:55 AM
may help you . From the content of your question, I would rephrase the subject "How can an external properties file be read and used in a Talend Open Studio Data Integration job?"
First... create your properties file, "common.properties". You could put it in (for example) /etc/classpath, or c:\etc\classpath
code :
example_property="This is an example property"
key, string 
value, string
Starting job example_calling_job at 11:35 02/03/2016.

[statistics] connecting to socket on port 3497
[statistics] connected
This is an example property.
[statistics] disconnected
Job example_calling_job ended at 11:35 02/03/2016. [exit code=0]
Talend data Integration : How to maintain input columns in all the components?

Talend data Integration : How to maintain input columns in all the components?


By : احمد وفا
Date : March 29 2020, 07:55 AM
I hope this helps . My Input sheet has 3 fields I1,I2 and I3 , I did this in following way...
Over all job view:
Talend (Data Integration) - List all jobs which use a specific table

Talend (Data Integration) - List all jobs which use a specific table


By : Mikal
Date : March 29 2020, 07:55 AM
I wish this helpful for you Finally, i found a solution. I go to the folder where i install Talend, then "workspace > MyProject > Process" and i do a research "Employees" with Advanced Options > File Contents.
This methods is not perfect, it allow me to list all the jobs which are using the table Employees but id doesn't allow me to replace the words Employees for example.
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