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Exam TDA-C01 topic 1 question 180 discussion

Actual exam question from Tableau's TDA-C01
Question #: 180
Topic #: 1
[All TDA-C01 Questions]

A Data Analyst has a data source that has two tables named Table1 and Table2. Table1 is the primary table and Table2 is the secondary table.

The analyst wants to combine the tables by using Tableau Prep. The combined table must include only values from Table1 that do not match any values in Table2. The field values from Table2 must appear as null values.

Which type of join should the analyst use?

  • A. Left only
  • B. Left
  • C. Union
  • D. Inner
  • E. Full outer
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Suggested Answer: A 🗳️
by Lakshmi2023 at Jan. 17, 2025, 4:48 p.m.

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janasuresh
3 weeks, 1 day ago
Selected Answer: A
left Only : For each row, includes only values from the left table that don't match any values from the right table. Field values from the right table show as null values in the join results.
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Lakshmi2023
1 month ago
Selected Answer: B
The join type should be "Left". There is nothing called "Left only" join.
upvoted 2 times
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