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Talend Exam Talend-Core-Developer Topic 2 Question 5 Discussion
Topic #: 2
You need a list of all customers whose first name contains "Tom" and who are older than 18. Which processor should be used?
Comprehensive and Detailed Explanation:
To filter customer records based on first name containing 'Tom' and age greater than 18, the Filter processor is the correct choice.
Filter (Option C) -- Correct Answer:
The Filter processor allows users to set conditional rules to extract only the required data.
Users can specify conditions such as:
first_name CONTAINS 'Tom'
AND
age > 18
This ensures that only relevant records are included in the output.
Why not other options?
Option A (Join): Used to combine data from multiple datasets based on a key field, not for filtering.
Option B (Aggregate): Used for summarizing data, such as calculating counts, sums, or averages.
Option D (Data Sampling): Used to select a random subset of data, not for filtering based on conditions.
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