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Talend Data-Integration-Developer Exam Questions
- Topic 1: Create a Joblet from the ground up/ Define the tMap Join settings and its rejected capture mechanism
- Topic 2: Handle context variables in standalone Jobs/ Configure a filter reject output along with multiple filtered outputs
- Topic 3: Explain Joblets and compare them to other orchestration primitives/ Join two sources of data using the tMap component
- Topic 4: Customize SQL queries in database components/ Use triggers to create a sequence of subJobs
- Topic 5: Configure a remote connection in Talend Studio/ Send dynamic parameters to a child Job by overriding context variables
- Topic 6: Configure basic component properties/ Define a reference project and use items from a reference project
- Topic 7: Explain key differences between a local and remote connection/ Use the tMap component and configure a simple mapping
- Topic 8: Create ‘if’ triggers based on component variables/ Use metadata, generic schemas, and context variables in database components
- Topic 9: Explain different parallelization options available in Studio/ Describe the order of priority to pass parameters in context variables
- Topic 10: Profile the execution of a Job with and without parallelism applied/ Define a standard context variable use case
Free Talend Data-Integration-Developer Exam Actual Questions
Note: Premium Questions for Data-Integration-Developer were last updated On Mar. 16, 2026 (see below)
Which Action on table operations are supported by a tMysqlOutput component?
Choose 3 answers
The tMysqlOutput component is used to write data into a MySQL database table. The Action on table parameter of this component allows you to specify what operation to perform on the table before loading data into it. The Action on table parameter supports the following operations:
Drop table if exists and create: This operation drops the table if it already exists in the database and creates a new one with the same name and structure as defined in the schema.
Create table: This operation creates a new table in the database with the name and structure as defined in the schema. If a table with the same name already exists, an error will be raised.
Create table if does not exist: This operation creates a new table in the database with the name and structure as defined in the schema only if there is no table with the same name already existing in the database. If a table with the same name already exists, no action will be taken.
The Action on table parameter does not support the following operations:
Replace: This is not an operation on the table, but on the data. The Replace parameter of the tMysqlOutput component allows you to specify whether to replace existing rows in the table with new rows based on a key attribute or to insert new rows only.
You need to calculate the total number of rows in an input file using a tMlelnputDelimited component.
Which code should you use in a tJava component to write a nb-line variable?
You need to use the following code in a tJava component to write a nb_line variable:
int nb_line = (Integer)globalMap.get(''tFileInputDelimited_1_NB_LINE'');
This code retrieves the value of the global variable tFileInputDelimited_1_NB_LINE, which stores the number of rows processed by the tFileInputDelimited component, and assigns it to an integer variable named nb_line. You can then use this variable to print or manipulate the number of rows in your Job. Note that you need to use globalMap.get, not globalMap.put, to access the value of a global variable.
Which statement is true about the Sync columns button on the Basic settings tab of the Component view? Choose 2 answers
The Sync columns button on the Basic settings tab of the Component view retrieves the schema from the input component connected in the Job and synchronizes it with the current component's schema. This button is available for most of the components that have an input and an output schema, such as tJavaRow, tMap, tFileOutputDelimited, etc. However, this button does not retrieve and synchronize the output file schema with the input file schema for tFileOutputDelimited, as this component only has one output schema.
In some instances, after applying changes to a component schema, you are asked if you would like to propagate the changes.
What is the significance of this prompt?
In some instances, after applying changes to a component schema, you are asked if you would like to propagate the changes. This prompt is significant because it allows you to confirm that you want to apply the schema changes to the next component in the Job. This can save you time and effort by automatically updating the schema of the downstream component, instead of manually editing it. However, you should be careful when propagating changes, as it may overwrite existing schemas or cause errors in the Job logic. You can also choose to cancel the propagation and edit the schema manually.
Where do you access the option to create a Joblet from an existing Job?
To create a Joblet from an existing Job, you can follow these steps:
Open the Job that you want to create a Joblet from.
Select the components that you want to include in the Joblet.
Right-click on the selected components and selectCreate Jobletfrom the context menu.
In theCreate Jobletdialog box, enter a name and description for the Joblet.
ClickFinishto create the Joblet.
Talend Open Studio User Guide: Creating a Joblet from a Job: https://help.talend.com/r/en-US/8.0/studio-user-guide/creating-joblet-from-job
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