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Ques:- What is Shared DB Connection in Talend?
Asked In :-
Right Answer:
A Shared DB Connection in Talend is a reusable database connection that can be used across multiple jobs or components within a project, allowing for consistent database access and reducing the need to create separate connections for each job.
Comments
Admin Feb 9, 2020

We can use same DB connection within job multiple times by creating a shared DB connection in basic settings of the first DB connection component.

Ques:- Name some cache memory components.
Asked In :-
Right Answer:
Some cache memory components include:

1. L1 Cache
2. L2 Cache
3. L3 Cache
4. CPU Registers
5. Cache Controller
Comments
Admin Feb 9, 2020

tHashInput and tHashOutput.

Ques:- How can you store job logs using AMC?
Asked In :-
Right Answer:
You can store job logs using AMC (Administration and Monitoring Console) by configuring the logging settings in the Talend Administration Center. This involves setting up the log storage location and specifying the log retention policy in the AMC settings.
Comments
Admin Feb 9, 2020

we can activity AMC by enabling user errors,warning and run time error in stats and log tab under job window.either we can log the entries in DataBase or Files or Console.

Ques:- Which component can be used to print the data on console?
Asked In :-
Right Answer:
tLogRow
Comments
Admin Feb 9, 2020

tlogrow

Ques:- What will contain in exported files from talend?
Asked In :-
Right Answer:
Exported files from Talend will contain the job design, metadata, context variables, and any associated resources such as routines, schemas, and documentation.
Comments
Admin Feb 9, 2020

It includes .properties, .screenshot and .item files.

Ques:- How can you export job?
Asked In :-
Right Answer:
To export a job in Talend, right-click on the job in the Repository panel, select "Export Job," choose the export options (like the destination and format), and then click "Finish" to complete the export process.
Comments
Admin Feb 9, 2020

Select the job from repository view, right click and then export job. There you can specify if you want this export this job only or dependencies also.

Ques:- Can we call job within job?
Asked In :-
Right Answer:
Yes, in Talend, you can call a job within another job using the tRunJob component.
Comments
Admin Feb 9, 2020

yes using trunjob component. In properties of trunjob component job name can be selected.

Ques:- Which component of talend can perform various tasks?
Asked In :-
Right Answer:
The Talend Job component can perform various tasks.
Comments
Admin Feb 9, 2020

tmap.

Ques:- Difference between tjava, tjavarow and tjavaflex component in talend?
Asked In :-
Right Answer:
- **tJava**: Executes a single Java code snippet and is used for simple tasks or custom code within a job.

- **tJavaRow**: Processes each row of data in a flow, allowing you to write Java code that operates on individual rows.

- **tJavaFlex**: Combines the functionalities of tJava and tJavaRow, allowing you to write code that can handle both the beginning and end of a flow, as well as process each row in between.
Comments
Admin Feb 9, 2020

tjava – execute only once,

tjavarow – execute for each row,

tjavaflex – if we want to perform specific task at certain time for that row. tjavaflex contains three sections: Start (code written here will execute before processing any row), Main (code will execute for each row), End (code will execute after processing every row).

Ques:- How can we write the customized java code in Talend?
Asked In :-
Right Answer:
In Talend, you can write customized Java code by using the "tJava" or "tJavaRow" components. You can add your Java code directly in the code editor of these components to perform specific tasks or transformations as needed.
Comments
Admin Feb 9, 2020

First is using routines. Routines can be used in multiple job.

Second is using components like tjava, tjavarow and tjavaflex in talend job. If we are writing code using component then that is only applicable for that specific job.

Ques:- Can we write customized java code in Talend?
Asked In :-
Right Answer:
Yes, we can write customized Java code in Talend using the tJava, tJavaRow, tJavaFlex, and tJavaComponent components.
Comments
Admin Feb 9, 2020

Yes.

Ques:- Can we modify the code of talend job in code view?
Asked In :-
Right Answer:
Yes, you can modify the code of a Talend job in code view.
Comments
Admin Feb 9, 2020

No.

Ques:- How can you add component in your talend job?
Asked In :-
Right Answer:
To add a component in your Talend job, drag and drop the desired component from the Palette onto the design workspace.
Comments
Admin Feb 9, 2020

<ul>
<li>Component can be select from palette view and then drag and drop.</li>
<li>In designer view you can type the component name and then select.</li>
</ul>

Ques:- How to create a job?
Asked In :-
Right Answer:
To create a job in Talend, follow these steps:

1. Open Talend Studio.
2. In the Repository panel, right-click on "Job Designs."
3. Select "Create Job."
4. Enter a name and description for the job.
5. Click "Finish."
6. Drag and drop components from the Palette to the design workspace.
7. Configure the components as needed.
8. Save the job.
Comments
Admin Feb 9, 2020

Go to Repository View, Right Click on Job Designs and then create job.

Ques:- What is Talend job?
Asked In :-
Right Answer:
A Talend job is a set of components and processes designed to perform data integration, transformation, or migration tasks within the Talend environment.
Comments
Admin Feb 9, 2020

It includes components to perform different task of integration.

Ques:- Name the services offered by Talend?
Asked In :-
Right Answer:
Talend offers the following services:

1. Talend Data Integration
2. Talend Data Quality
3. Talend Data Preparation
4. Talend Master Data Management
5. Talend Big Data Integration
6. Talend Cloud Integration
7. Talend API Services
8. Talend Real-Time Data Processing
9. Talend Data Fabric
Comments
Admin Feb 9, 2020

Data Integration, Data Management, Cloud, bigdata..

Ques:- What is Talend?
Right Answer:
Talend is an open-source data integration and management tool that allows users to connect, transform, and manage data from various sources to improve data quality and facilitate data-driven decision-making.
Comments
Admin Feb 9, 2020

open source software. Implemented in java language. So whatever you create in talend in backend code will generate in java.

Ques:- What is difference between tMap and tFilterrow in Talend
Asked In :-
Right Answer:
`tMap` is used for mapping and transforming data between input and output flows, allowing complex data manipulations and joins. `tFilterRow`, on the other hand, is used to filter rows based on specified conditions, allowing only the rows that meet the criteria to pass through to the next component.
Ques:- Can I execute multiple commands at one time with a tSystem component
Right Answer:
No, the tSystem component in Talend can only execute one command at a time.
Ques:- What is tSystem component in Talend
Asked In :-
Right Answer:
The tSystem component in Talend is used to execute system commands or scripts on the operating system where the Talend job is running. It allows you to run external programs, batch files, or shell scripts and capture their output.


Talend is a powerful and versatile software platform that addresses the critical need for data integration and management in today’s data-driven world. At its core, Talend’s purpose is to help organizations combine data from disparate sources—such as databases, flat files, cloud services, and APIs—and transform it into a clean, unified, and trustworthy format for analysis. Its key strength is a graphical, low-code interface that allows users to design complex data integration jobs by simply dragging and dropping components. This approach significantly simplifies the process, making it accessible to both developers and business users, and drastically reducing the time and effort required compared to manual coding.

The Talend platform offers a comprehensive suite of tools for the entire data lifecycle. This includes robust capabilities for data integration, where data is extracted, transformed, and loaded (ETL) into a target system like a data warehouse. It also excels in big data processing, with native support for technologies like Apache Spark and Hadoop, enabling it to handle massive datasets with high performance. Beyond integration, Talend provides solutions for data quality, helping to profile, cleanse, and standardize data to ensure accuracy and reliability. It also supports master data management (MDM), data governance, and API integration.

By providing a unified platform, Talend helps companies create a single source of truth for their data, which is essential for making informed business decisions, creating accurate reports, and building effective business intelligence and machine learning models. Its flexibility allows for deployments on-premises, in the cloud, or in hybrid environments. As data continues to grow in volume and complexity, Talend remains a vital tool for organizations looking to harness the power of their data and maintain a competitive edge

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